Add Doris Schoolhouse and clean pending homelab changes

2026-05-15 21:58:42 +00:00
parent 0e7dd21c66
commit 5c889f108e
60 changed files with 3145 additions and 20 deletions
--- a/home/doris-schoolhouse/app/config.py
+++ b/home/doris-schoolhouse/app/config.py
@@ -0,0 +1,24 @@
+from dataclasses import dataclass
+import os
+
+
+@dataclass
+class Settings:
+    schoolhouse_host: str = os.getenv("SCHOOLHOUSE_HOST", "0.0.0.0")
+    schoolhouse_port: int = int(os.getenv("SCHOOLHOUSE_PORT", "8091"))
+    schoolhouse_base_url: str = os.getenv("SCHOOLHOUSE_BASE_URL", "http://localhost:8091")
+    database_url: str = os.getenv("DATABASE_URL", "postgresql+psycopg://schoolhouse:changeme@shared-postgres:5432/schoolhouse")
+    paperless_base_url: str = os.getenv("PAPERLESS_BASE_URL", "https://paperless.example.com")
+    paperless_api_token: str = os.getenv("PAPERLESS_API_TOKEN", "changeme")
+    n8n_base_url: str = os.getenv("N8N_BASE_URL", "https://n8n.example.com")
+    n8n_assignment_webhook: str = os.getenv("SCHOOLHOUSE_N8N_ASSIGNMENT_WEBHOOK", "/webhook/school/intake/upload")
+    n8n_recording_webhook: str = os.getenv("SCHOOLHOUSE_N8N_RECORDING_WEBHOOK", "/webhook/class/upload")
+    d2l_scraper_workdir: str = os.getenv("D2L_SCRAPER_WORKDIR", "/workspace/.openclaw-workspace/school")
+    d2l_scraper_command: str = os.getenv("D2L_SCRAPER_COMMAND", "node d2l_scraper_final.js")
+    upload_tmp_dir: str = os.getenv("UPLOAD_TMP_DIR", "/data/uploads")
+    state_dir: str = os.getenv("SCHOOLHOUSE_STATE_DIR", "/data/state")
+    storage_backend: str = os.getenv("SCHOOLHOUSE_STORAGE_BACKEND", "auto")
+    max_upload_mb: int = int(os.getenv("MAX_UPLOAD_MB", "1536"))
+
+
+settings = Settings()
--- a/home/doris-schoolhouse/app/db/schema.sql
+++ b/home/doris-schoolhouse/app/db/schema.sql
@@ -0,0 +1,92 @@
+CREATE TABLE IF NOT EXISTS schoolhouse_course (
+  id BIGSERIAL PRIMARY KEY,
+  d2l_course_id TEXT NOT NULL UNIQUE,
+  name TEXT NOT NULL,
+  code TEXT,
+  semester TEXT,
+  instructor_name TEXT,
+  active BOOLEAN NOT NULL DEFAULT TRUE,
+  first_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  last_synced_at TIMESTAMPTZ
+);
+
+CREATE TABLE IF NOT EXISTS schoolhouse_assignment (
+  id BIGSERIAL PRIMARY KEY,
+  course_id BIGINT NOT NULL REFERENCES schoolhouse_course(id) ON DELETE CASCADE,
+  d2l_assignment_key TEXT,
+  title TEXT NOT NULL,
+  category TEXT,
+  due_at TIMESTAMPTZ,
+  status TEXT NOT NULL DEFAULT 'assigned',
+  grade_text TEXT,
+  grade_numeric DOUBLE PRECISION,
+  professor_comments TEXT,
+  source TEXT NOT NULL DEFAULT 'd2l',
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS schoolhouse_submission (
+  id BIGSERIAL PRIMARY KEY,
+  assignment_id BIGINT NOT NULL REFERENCES schoolhouse_assignment(id) ON DELETE CASCADE,
+  version_label TEXT NOT NULL DEFAULT 'v1',
+  original_filename TEXT NOT NULL,
+  mime_type TEXT NOT NULL,
+  checksum_sha256 TEXT,
+  submitted_at TIMESTAMPTZ,
+  suggested_metadata_json JSONB NOT NULL DEFAULT '{}'::jsonb,
+  confirmed_metadata_json JSONB NOT NULL DEFAULT '{}'::jsonb,
+  paperless_document_id BIGINT,
+  paperless_title TEXT,
+  paperless_note_last_hash TEXT,
+  paperless_note_appended_at TIMESTAMPTZ,
+  status TEXT NOT NULL DEFAULT 'draft',
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS schoolhouse_recording (
+  id BIGSERIAL PRIMARY KEY,
+  course_id BIGINT NOT NULL REFERENCES schoolhouse_course(id) ON DELETE CASCADE,
+  assignment_id BIGINT REFERENCES schoolhouse_assignment(id) ON DELETE SET NULL,
+  session_date DATE NOT NULL,
+  original_filename TEXT NOT NULL,
+  mp3_filename TEXT,
+  duration_seconds INTEGER,
+  transcription_status TEXT NOT NULL DEFAULT 'queued',
+  summary_status TEXT NOT NULL DEFAULT 'queued',
+  transcript_paperless_document_id BIGINT,
+  summary_paperless_document_id BIGINT,
+  recording_paperless_document_id BIGINT,
+  notes TEXT,
+  recording_metadata_json JSONB NOT NULL DEFAULT '{}'::jsonb,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS schoolhouse_d2l_sync_run (
+  id BIGSERIAL PRIMARY KEY,
+  started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  completed_at TIMESTAMPTZ,
+  status TEXT NOT NULL DEFAULT 'running',
+  raw_snapshot_path TEXT,
+  changes_summary_json JSONB NOT NULL DEFAULT '{}'::jsonb,
+  error_text TEXT
+);
+
+CREATE TABLE IF NOT EXISTS schoolhouse_assignment_mapping (
+  id BIGSERIAL PRIMARY KEY,
+  course_id BIGINT NOT NULL REFERENCES schoolhouse_course(id) ON DELETE CASCADE,
+  d2l_grade_item_name TEXT NOT NULL,
+  normalized_key TEXT NOT NULL,
+  assignment_id BIGINT NOT NULL REFERENCES schoolhouse_assignment(id) ON DELETE CASCADE,
+  confidence DOUBLE PRECISION,
+  mapping_source TEXT NOT NULL DEFAULT 'auto',
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  UNIQUE (course_id, d2l_grade_item_name)
+);
+
+CREATE INDEX IF NOT EXISTS idx_schoolhouse_assignment_course_id ON schoolhouse_assignment(course_id);
+CREATE INDEX IF NOT EXISTS idx_schoolhouse_submission_assignment_id ON schoolhouse_submission(assignment_id);
+CREATE INDEX IF NOT EXISTS idx_schoolhouse_recording_course_id ON schoolhouse_recording(course_id);
+CREATE INDEX IF NOT EXISTS idx_schoolhouse_recording_assignment_id ON schoolhouse_recording(assignment_id);
--- a/home/doris-schoolhouse/app/main.py
+++ b/home/doris-schoolhouse/app/main.py
@@ -0,0 +1,20 @@
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+
+from app.routes.api_assignments import router as assignments_router
+from app.routes.api_dashboard import router as dashboard_router
+from app.routes.api_paperless import router as paperless_router
+from app.routes.api_recordings import router as recordings_router
+from app.routes.api_sync import router as sync_router
+from app.routes.ui import router as ui_router
+
+
+app = FastAPI(title="Doris Schoolhouse")
+app.mount("/static", StaticFiles(directory="app/static"), name="static")
+
+app.include_router(ui_router)
+app.include_router(dashboard_router)
+app.include_router(assignments_router)
+app.include_router(recordings_router)
+app.include_router(sync_router)
+app.include_router(paperless_router)
--- a/home/doris-schoolhouse/app/models.py
+++ b/home/doris-schoolhouse/app/models.py
@@ -0,0 +1,61 @@
+from dataclasses import dataclass, field
+from datetime import date, datetime
+from typing import Literal, Optional
+
+
+AssignmentStatus = Literal["assigned", "in_progress", "submitted", "graded", "late", "missing"]
+UploadStatus = Literal["draft", "uploaded", "confirmed", "failed"]
+ProcessingStatus = Literal["queued", "processing", "ready", "failed"]
+
+
+@dataclass
+class Course:
+    d2l_course_id: str
+    name: str
+    id: Optional[int] = None
+    code: Optional[str] = None
+    semester: Optional[str] = None
+    active: bool = True
+
+
+@dataclass
+class Assignment:
+    course_id: int
+    title: str
+    id: Optional[int] = None
+    d2l_assignment_key: Optional[str] = None
+    category: Optional[str] = None
+    due_at: Optional[datetime] = None
+    status: AssignmentStatus = "assigned"
+    grade_text: Optional[str] = None
+    grade_numeric: Optional[float] = None
+    professor_comments: Optional[str] = None
+    source: Literal["d2l", "manual", "template"] = "d2l"
+
+
+@dataclass
+class Submission:
+    assignment_id: int
+    original_filename: str
+    mime_type: str
+    id: Optional[int] = None
+    version_label: str = "v1"
+    submitted_at: datetime = field(default_factory=datetime.utcnow)
+    paperless_document_id: Optional[int] = None
+    paperless_title: Optional[str] = None
+    status: UploadStatus = "draft"
+
+
+@dataclass
+class Recording:
+    course_id: int
+    session_date: date
+    original_filename: str
+    id: Optional[int] = None
+    assignment_id: Optional[int] = None
+    mp3_filename: Optional[str] = None
+    duration_seconds: Optional[int] = None
+    transcription_status: ProcessingStatus = "queued"
+    summary_status: ProcessingStatus = "queued"
+    transcript_paperless_document_id: Optional[int] = None
+    summary_paperless_document_id: Optional[int] = None
--- a/home/doris-schoolhouse/app/routes/init.py
+++ b/home/doris-schoolhouse/app/routes/init.py
--- a/home/doris-schoolhouse/app/routes/api_assignments.py
+++ b/home/doris-schoolhouse/app/routes/api_assignments.py
@@ -0,0 +1,148 @@
+import hashlib
+from pathlib import Path
+
+from fastapi import APIRouter, Form, HTTPException, UploadFile
+
+from app.config import settings
+from app.services.d2l import D2LService
+from app.services.paperless import PaperlessService
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+from app.services.webhooks import WebhookService
+
+
+router = APIRouter(prefix="/api/assignments", tags=["assignments"])
+store = JsonStore()
+repo = get_repository()
+d2l = D2LService()
+paperless = PaperlessService()
+webhooks = WebhookService()
+
+
+@router.get("")
+async def list_assignments():
+    courses = {item["id"]: item for item in d2l.get_courses()}
+    items = repo.list_assignments()
+    submissions = repo.list_submissions()
+    submission_counts = {}
+    for submission in submissions:
+        submission_counts[submission.get("assignment_id")] = submission_counts.get(submission.get("assignment_id"), 0) + 1
+    for item in items:
+        item["submission_count"] = submission_counts.get(item.get("id"), 0)
+        item["course"] = courses.get(item.get("course_id"), {})
+    return {"items": items, "backend": repo.backend}
+
+
+
+
+@router.get('/submissions')
+async def list_submissions():
+    return {"items": repo.list_submissions(), "backend": repo.backend}
+
+@router.post("/intake")
+async def intake_assignment(
+    file: UploadFile,
+    class_id: str = Form(...),
+    class_name: str = Form(...),
+    assignment_name: str = Form(...),
+    version: str = Form("v1"),
+    submission_kind: str = Form("assignment_turn_in"),
+    semester: str = Form(""),
+    course_code: str = Form(""),
+    paper_kind: str = Form(""),
+    source: str = Form("doris-schoolhouse"),
+    telegram_chat_id: str = Form(""),
+    telegram_message_id: str = Form(""),
+    notes: str = Form(""),
+):
+    assignments = d2l.get_assignments(class_id)
+    matching = next((item for item in assignments if item.get("title") == assignment_name), None)
+    if not matching:
+        raise HTTPException(status_code=404, detail="Assignment not found in cached D2L data for selected class.")
+
+    upload_root = Path(settings.upload_tmp_dir)
+    upload_root.mkdir(parents=True, exist_ok=True)
+    safe_name = Path(file.filename or "upload.bin").name
+    submission_id = store.new_id("submission")
+    stored_path = upload_root / f"{submission_id}-{safe_name}"
+    payload = await file.read()
+    stored_path.write_bytes(payload)
+    checksum = hashlib.sha256(payload).hexdigest()
+
+    record = {
+        "id": submission_id,
+        "assignment_id": matching["id"],
+        "class_id": class_id,
+        "class_name": class_name,
+        "assignment_name": assignment_name,
+        "version_label": version,
+        "submission_kind": submission_kind,
+        "semester": semester or None,
+        "course_code": course_code or (course.get("code") if course else None),
+        "paper_kind": paper_kind or None,
+        "source": source or "doris-schoolhouse",
+        "telegram_chat_id": telegram_chat_id or None,
+        "telegram_message_id": telegram_message_id or None,
+        "notes": notes,
+        "original_filename": safe_name,
+        "stored_path": str(stored_path),
+        "mime_type": file.content_type or "application/octet-stream",
+        "file_size_bytes": len(payload),
+        "checksum_sha256": checksum,
+        "status": "uploaded-local",
+        "received_at": store.now(),
+    }
+    record["paperless_handoff"] = paperless.assignment_intake_payload(record)
+    created = repo.create_submission(record)
+    return {"status": "ok", "submission": created, "backend": repo.backend}
+
+
+@router.post("/{submission_id}/confirm-paperless")
+async def confirm_assignment_paperless(submission_id: str):
+    submissions = repo.list_submissions()
+    current = next((item for item in submissions if str(item.get("id")) == str(submission_id)), None)
+    if not current:
+        raise HTTPException(status_code=404, detail="Submission not found.")
+    handoff = paperless.assignment_intake_payload(current)
+    file_path = current.get("stored_path") or current.get("local_file")
+    if not file_path or not Path(file_path).exists():
+        raise HTTPException(status_code=400, detail="Stored upload file is missing.")
+    fields = {
+        "class_name": handoff["class_name"],
+        "assignment_name": handoff["assignment_name"],
+        "submission_kind": handoff["submission_kind"],
+        "notes": handoff.get("notes", ""),
+        "source": handoff.get("source", "doris-schoolhouse"),
+    }
+    for optional_key in ("semester", "course_code", "paper_kind", "telegram_chat_id", "telegram_message_id"):
+        value = handoff.get(optional_key)
+        if value:
+            fields[optional_key] = value
+    response = webhooks.post_multipart(handoff["target_url"], fields, "document", file_path)
+    body = response.get("body", {}) if isinstance(response, dict) else {}
+    body_obj = body[0] if isinstance(body, list) and body and isinstance(body[0], dict) else (body if isinstance(body, dict) else {})
+    ok = bool(response.get("ok", False)) if isinstance(response, dict) else False
+    updated = repo.update_submission(submission_id, {
+        "status": "paperless-queued" if ok else "paperless-error",
+        "confirmed_at": store.now(),
+        "webhook_response": response,
+        "paperless_document_id": body_obj.get("paperless_document_id") or body_obj.get("document_id"),
+        "paperless_title": body_obj.get("paperless_title") or body_obj.get("title") or handoff.get("assignment_name"),
+    })
+    return {"status": "ok" if ok else "error", "submission": updated or current, "handoff": handoff, "webhook": response}
+
+
+@router.post("/{assignment_id}/status")
+async def update_assignment_status(assignment_id: str, status: str = Form(...)):
+    assignments = repo.list_assignments()
+    updated = None
+    for item in assignments:
+        if str(item.get("id")) == str(assignment_id):
+            item["status"] = status
+            item["updated_at"] = store.now()
+            updated = item
+            break
+    if not updated:
+        raise HTTPException(status_code=404, detail="Assignment not found.")
+    repo.replace_assignments(assignments)
+    return {"status": "ok", "assignment": updated}
--- a/home/doris-schoolhouse/app/routes/api_dashboard.py
+++ b/home/doris-schoolhouse/app/routes/api_dashboard.py
@@ -0,0 +1,31 @@
+from fastapi import APIRouter
+
+from app.services.d2l import D2LService
+from app.services.repository import get_repository
+
+
+router = APIRouter(prefix="/api/dashboard", tags=["dashboard"])
+repo = get_repository()
+d2l = D2LService()
+
+
+@router.get("/summary")
+async def dashboard_summary():
+    courses = d2l.get_courses()
+    assignments = repo.list_assignments()
+    submissions = repo.list_submissions()
+    recordings = repo.list_recordings()
+    sync_runs = repo.list_sync_runs()
+    return {
+        "backend": repo.backend,
+        "counts": {
+            "courses": len(courses),
+            "assignments": len(assignments),
+            "submissions": len(submissions),
+            "recordings": len(recordings),
+        },
+        "latest_sync": sync_runs[-1] if sync_runs else None,
+        "recent_assignments": assignments[:8],
+        "recent_submissions": submissions[:8],
+        "recent_recordings": recordings[:8],
+    }
--- a/home/doris-schoolhouse/app/routes/api_paperless.py
+++ b/home/doris-schoolhouse/app/routes/api_paperless.py
@@ -0,0 +1,69 @@
+from fastapi import APIRouter, HTTPException
+
+from app.config import settings
+from app.services.diagnostics import DiagnosticsService
+from app.services.paperless import PaperlessService
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+
+
+router = APIRouter(prefix="/api", tags=["paperless", "health"])
+service = PaperlessService()
+repo = get_repository()
+store = JsonStore()
+diagnostics = DiagnosticsService()
+
+
+@router.get("/health")
+async def health():
+    return {"ok": True, "service": "doris-schoolhouse", "state_dir": settings.state_dir, "backend": repo.backend}
+
+
+@router.get("/health/details")
+async def health_details():
+    return diagnostics.collect()
+
+
+@router.post("/paperless/webhook/intake-enriched")
+async def paperless_intake_enriched(submission_id: str, document_id: int, paperless_title: str | None = None):
+    updated = repo.update_submission(
+        submission_id,
+        {
+            "status": "paperless-linked",
+            "paperless_document_id": document_id,
+            "paperless_title": paperless_title,
+            "paperless_linked_at": store.now(),
+        },
+    )
+    if not updated:
+        raise HTTPException(status_code=404, detail="Submission not found.")
+    return {"status": "ok", "submission": updated}
+
+
+@router.post("/paperless/webhook/recording-complete")
+async def paperless_recording_complete(recording_id: str, transcript_document_id: int | None = None, summary_document_id: int | None = None, recording_document_id: int | None = None):
+    updated = repo.update_recording(
+        recording_id,
+        {
+            "status": "paperless-linked",
+            "transcript_paperless_document_id": transcript_document_id,
+            "summary_paperless_document_id": summary_document_id,
+            "recording_paperless_document_id": recording_document_id,
+            "transcription_status": "ready" if transcript_document_id else None,
+            "summary_status": "ready" if summary_document_id else None,
+            "paperless_linked_at": store.now(),
+        },
+    )
+    if not updated:
+        raise HTTPException(status_code=404, detail="Recording not found.")
+    return {"status": "ok", "recording": updated}
+
+
+@router.post("/paperless/assignments/{assignment_id}/append-grade-note")
+async def append_grade_note(assignment_id: str, execute: bool = False):
+    if not execute:
+        return service.describe_grade_note_plan(assignment_id)
+    try:
+        return service.append_grade_note(assignment_id)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
--- a/home/doris-schoolhouse/app/routes/api_recordings.py
+++ b/home/doris-schoolhouse/app/routes/api_recordings.py
@@ -0,0 +1,130 @@
+import hashlib
+from pathlib import Path
+
+from fastapi import APIRouter, Form, HTTPException, UploadFile
+
+from app.config import settings
+from app.services.d2l import D2LService
+from app.services.media import MediaService
+from app.services.paperless import PaperlessService
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+from app.services.webhooks import WebhookService
+
+
+router = APIRouter(prefix="/api/recordings", tags=["recordings"])
+store = JsonStore()
+repo = get_repository()
+d2l = D2LService()
+paperless = PaperlessService()
+media = MediaService()
+webhooks = WebhookService()
+
+
+@router.get("")
+async def list_recordings():
+    return {"items": repo.list_recordings(), "backend": repo.backend}
+
+
+@router.post("/intake")
+async def intake_recording(
+    file: UploadFile,
+    class_id: str = Form(...),
+    class_name: str = Form(...),
+    session_date: str = Form(...),
+    assignment_id: str | None = Form(None),
+    notes: str = Form(""),
+):
+    course = next((item for item in d2l.get_courses() if str(item.get("d2l_course_id") or item.get("id")) == str(class_id)), None)
+    if not course:
+        raise HTTPException(status_code=404, detail="Class not found in cached D2L data.")
+
+    upload_root = Path(settings.upload_tmp_dir)
+    upload_root.mkdir(parents=True, exist_ok=True)
+    recording_id = store.new_id("recording")
+    safe_name = Path(file.filename or "recording.wav").name
+    stored_path = upload_root / f"{recording_id}-{safe_name}"
+    payload = await file.read()
+    stored_path.write_bytes(payload)
+    checksum = hashlib.sha256(payload).hexdigest()
+    mp3_path = media.planned_mp3_path(str(stored_path))
+
+    record = {
+        "id": recording_id,
+        "class_id": str(course.get("d2l_course_id") or class_id),
+        "class_name": class_name,
+        "assignment_id": assignment_id,
+        "session_date": session_date,
+        "notes": notes,
+        "original_filename": safe_name,
+        "stored_path": str(stored_path),
+        "mp3_path": mp3_path,
+        "conversion_command": media.conversion_command(str(stored_path), mp3_path),
+        "delete_wav_after_success": True,
+        "mime_type": file.content_type or "audio/wav",
+        "file_size_bytes": len(payload),
+        "checksum_sha256": checksum,
+        "status": "uploaded-local",
+        "conversion_status": "queued",
+        "transcription_status": "queued",
+        "summary_status": "queued",
+        "received_at": store.now(),
+    }
+    record["paperless_handoff"] = paperless.recording_intake_payload(record)
+    created = repo.create_recording(record)
+    return {"status": "ok", "recording": created, "backend": repo.backend}
+
+
+@router.post("/{recording_id}/reprocess")
+async def reprocess_recording(recording_id: str):
+    recordings = repo.list_recordings()
+    current = next((item for item in recordings if str(item.get("id")) == str(recording_id)), None)
+    if not current:
+        raise HTTPException(status_code=404, detail="Recording not found.")
+    handoff = paperless.recording_intake_payload(current)
+    file_path = current.get("mp3_path") or current.get("stored_path") or current.get("local_file")
+    if not file_path or not Path(file_path).exists():
+        raise HTTPException(status_code=400, detail="Local recording file is missing.")
+    fields = {
+        "class_name": handoff["class_name"],
+        "lecture_title": handoff["lecture_title"],
+        "notes": handoff.get("notes", ""),
+        "source": handoff.get("source", "doris-schoolhouse"),
+    }
+    response = webhooks.post_multipart(handoff["target_url"], fields, "data", file_path)
+    body = response.get("body", {}) if isinstance(response, dict) else {}
+    body_obj = body[0] if isinstance(body, list) and body and isinstance(body[0], dict) else (body if isinstance(body, dict) else {})
+    ok = bool(response.get("ok", False)) if isinstance(response, dict) else False
+    updated = repo.update_recording(recording_id, {
+        "status": "requeued" if ok else "requeue-error",
+        "requeued_at": store.now(),
+        "webhook_response": response,
+        "transcription_status": "processing" if ok else "error",
+        "summary_status": "processing" if ok else "error",
+        "recording_paperless_document_id": body_obj.get("recording_paperless_document_id") or body_obj.get("document_id"),
+    })
+    return {"status": "ok" if ok else "error", "recording": updated or current, "handoff": handoff, "webhook": response}
+
+
+@router.post("/{recording_id}/convert")
+async def convert_recording(recording_id: str):
+    recordings = repo.list_recordings()
+    current = next((item for item in recordings if str(item.get("id")) == str(recording_id)), None)
+    if not current:
+        raise HTTPException(status_code=404, detail="Recording not found.")
+    wav_path = current.get("stored_path")
+    if not wav_path or not Path(wav_path).exists():
+        raise HTTPException(status_code=400, detail="Source WAV file is missing.")
+    mp3_path = current.get("mp3_path") or media.planned_mp3_path(wav_path)
+    result = media.convert_wav_to_mp3(wav_path, mp3_path)
+    updates = {
+        "conversion_status": result["status"],
+        "conversion_result": result,
+        "updated_at": store.now(),
+    }
+    if result["status"] == "ok":
+        updates["mp3_path"] = mp3_path
+        updates["delete_source_result"] = media.delete_source_if_requested(wav_path, bool(current.get("delete_wav_after_success")))
+        updates["status"] = "converted"
+    updated = repo.update_recording(recording_id, updates)
+    return {"status": result["status"], "recording": updated or current, "conversion": result}
--- a/home/doris-schoolhouse/app/routes/api_sync.py
+++ b/home/doris-schoolhouse/app/routes/api_sync.py
@@ -0,0 +1,27 @@
+from fastapi import APIRouter
+
+from app.services.d2l import D2LService
+
+
+router = APIRouter(prefix="/api/d2l", tags=["d2l"])
+service = D2LService()
+
+
+@router.get("/courses")
+async def get_courses():
+    return {"items": service.get_courses()}
+
+
+@router.get("/assignments")
+async def get_course_assignments(course_id: str):
+    return {"items": service.get_assignments(course_id), "course_id": course_id}
+
+
+@router.get("/grades")
+async def get_course_grades(course_id: str):
+    return service.get_grades(course_id)
+
+
+@router.post("/sync")
+async def sync_d2l():
+    return service.sync_to_store()
--- a/home/doris-schoolhouse/app/routes/ui.py
+++ b/home/doris-schoolhouse/app/routes/ui.py
@@ -0,0 +1,24 @@
+from pathlib import Path
+
+from fastapi import APIRouter, Request
+from fastapi.responses import HTMLResponse
+from fastapi.templating import Jinja2Templates
+
+
+router = APIRouter()
+templates = Jinja2Templates(directory=str(Path(__file__).resolve().parent.parent / "templates"))
+
+
+@router.get("/", response_class=HTMLResponse)
+async def dashboard(request: Request):
+    return templates.TemplateResponse("dashboard.html", {"request": request, "title": "Doris Schoolhouse"})
+
+
+@router.get("/assignments/upload", response_class=HTMLResponse)
+async def assignment_upload(request: Request):
+    return templates.TemplateResponse("assignment_upload.html", {"request": request, "title": "Assignment Upload"})
+
+
+@router.get("/recordings/upload", response_class=HTMLResponse)
+async def recording_upload(request: Request):
+    return templates.TemplateResponse("recording_upload.html", {"request": request, "title": "Recording Upload"})
--- a/home/doris-schoolhouse/app/scripts/apply_schema.py
+++ b/home/doris-schoolhouse/app/scripts/apply_schema.py
@@ -0,0 +1,31 @@
+import os
+import sys
+from pathlib import Path
+
+
+def main() -> int:
+    schema_path = Path(__file__).resolve().parent.parent / 'db' / 'schema.sql'
+    if not schema_path.exists():
+        print(f'missing schema file: {schema_path}', file=sys.stderr)
+        return 1
+    dsn = os.getenv('DATABASE_URL', '')
+    if not dsn:
+        print('DATABASE_URL is not set', file=sys.stderr)
+        return 1
+    try:
+        import psycopg
+    except Exception:
+        print('psycopg is not installed; cannot apply schema directly', file=sys.stderr)
+        return 1
+    dsn = dsn.replace('postgresql+psycopg://', 'postgresql://')
+    sql = schema_path.read_text()
+    with psycopg.connect(dsn) as conn:
+        with conn.cursor() as cur:
+            cur.execute(sql)
+        conn.commit()
+    print(f'Applied schema from {schema_path}')
+    return 0
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())
--- a/home/doris-schoolhouse/app/scripts/bootstrap_state.py
+++ b/home/doris-schoolhouse/app/scripts/bootstrap_state.py
@@ -0,0 +1,27 @@
+from pathlib import Path
+
+from app.config import settings
+from app.services.d2l import D2LService
+from app.services.store import JsonStore
+
+
+def main() -> None:
+    Path(settings.upload_tmp_dir).mkdir(parents=True, exist_ok=True)
+    Path(settings.state_dir).mkdir(parents=True, exist_ok=True)
+    store = JsonStore()
+    for name, default in {
+        'courses': [],
+        'assignments': [],
+        'submissions': [],
+        'recordings': [],
+        'sync_runs': [],
+    }.items():
+        path = Path(settings.state_dir) / f'{name}.json'
+        if not path.exists():
+            store.save(name, default)
+    result = D2LService().sync_to_store()
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
--- a/home/doris-schoolhouse/app/scripts/process_recording.py
+++ b/home/doris-schoolhouse/app/scripts/process_recording.py
@@ -0,0 +1,44 @@
+import argparse
+import json
+
+from app.services.media import MediaService
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('recording_id')
+    parser.add_argument('--convert-only', action='store_true')
+    args = parser.parse_args()
+
+    repo = get_repository()
+    store = JsonStore()
+    media = MediaService()
+
+    recordings = repo.list_recordings()
+    current = next((item for item in recordings if str(item.get('id')) == str(args.recording_id)), None)
+    if not current:
+        raise SystemExit(f'recording not found: {args.recording_id}')
+
+    wav_path = current.get('stored_path')
+    mp3_path = current.get('mp3_path') or media.planned_mp3_path(wav_path)
+    result = media.convert_wav_to_mp3(wav_path, mp3_path)
+
+    updates = {
+        'conversion_status': result['status'],
+        'conversion_result': result,
+        'updated_at': store.now(),
+    }
+    if result['status'] == 'ok':
+        updates['mp3_path'] = mp3_path
+        delete_result = media.delete_source_if_requested(wav_path, bool(current.get('delete_wav_after_success')))
+        updates['delete_source_result'] = delete_result
+        if not args.convert_only:
+            updates['status'] = 'converted'
+    repo.update_recording(str(current.get('id')), updates)
+    print(json.dumps({'recording_id': current.get('id'), 'result': result, 'updates': updates}, indent=2))
+
+
+if __name__ == '__main__':
+    main()
--- a/home/doris-schoolhouse/app/services/d2l.py
+++ b/home/doris-schoolhouse/app/services/d2l.py
@@ -0,0 +1,139 @@
+import json
+from pathlib import Path
+from typing import Any
+
+from app.config import settings
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+
+
+class D2LService:
+    def __init__(self) -> None:
+        self.store = JsonStore()
+        self.repo = get_repository()
+
+    def _snapshot_path(self) -> Path:
+        candidate_dirs = [
+            Path(settings.d2l_scraper_workdir),
+            Path('/home/fizzlepoof/.openclaw/workspace/school'),
+        ]
+        for workdir in candidate_dirs:
+            for name in ('d2l_current_snapshot.json', 'd2l_grades.json', 'd2l_scraper_output.json'):
+                candidate = workdir / name
+                if candidate.exists():
+                    return candidate
+        return candidate_dirs[0] / 'd2l_current_snapshot.json'
+
+    def load_snapshot(self) -> dict[str, Any]:
+        path = self._snapshot_path()
+        if not path.exists():
+            return {"courses": [], "source_path": str(path), "missing": True}
+        data = json.loads(path.read_text())
+        if isinstance(data, dict):
+            data["source_path"] = str(path)
+            return data
+        return {"courses": [], "source_path": str(path), "missing": True}
+
+    def _normalize_courses(self, snapshot: dict[str, Any]) -> list[dict[str, Any]]:
+        items = []
+        for course in snapshot.get("courses", []):
+            items.append({
+                "id": str(course.get("id")),
+                "d2l_course_id": str(course.get("id")),
+                "name": course.get("name"),
+                "code": course.get("code"),
+                "finalSummary": course.get("finalSummary"),
+                "gradeItemCount": course.get("gradeItemCount"),
+                "synced_at": self.store.now(),
+            })
+        return items
+
+    def _normalize_assignments(self, snapshot: dict[str, Any]) -> list[dict[str, Any]]:
+        items = []
+        for course in snapshot.get("courses", []):
+            course_id = str(course.get("id"))
+            for grade_item in course.get("gradeItems", []):
+                if grade_item.get("isCategory"):
+                    continue
+                title = grade_item.get("name") or "Untitled"
+                items.append({
+                    "id": f"{course_id}:{title.lower().strip()}",
+                    "course_id": course_id,
+                    "course_name": course.get("name"),
+                    "title": title,
+                    "points": grade_item.get("points"),
+                    "grade": grade_item.get("grade"),
+                    "comments": grade_item.get("comments"),
+                    "source": "d2l-grade-item",
+                    "synced_at": self.store.now(),
+                })
+        return items
+
+    def sync_to_store(self) -> dict[str, Any]:
+        snapshot = self.load_snapshot()
+        courses = self._normalize_courses(snapshot)
+        assignments = self._normalize_assignments(snapshot)
+        existing_assignments = {item.get('id'): item for item in self.repo.list_assignments()}
+        for item in assignments:
+            prior = existing_assignments.get(item['id']) or {}
+            item['status'] = prior.get('status', 'assigned')
+            item['updated_at'] = self.store.now()
+            item['created_at'] = prior.get('created_at', self.store.now())
+        self.repo.replace_courses(courses)
+        self.repo.replace_assignments(assignments)
+        sync_runs = self.repo.list_sync_runs()
+        sync_runs.append({
+            "id": self.store.new_id("sync"),
+            "snapshot_path": snapshot.get("source_path"),
+            "course_count": len(courses),
+            "assignment_count": len(assignments),
+            "completed_at": self.store.now(),
+            "status": "completed",
+        })
+        self.repo.save_sync_runs(sync_runs)
+        return {
+            "status": "ok",
+            "snapshot_path": snapshot.get("source_path"),
+            "course_count": len(courses),
+            "assignment_count": len(assignments),
+            "backend": self.repo.backend,
+        }
+
+    def get_courses(self) -> list[dict[str, Any]]:
+        items = self.repo.list_courses()
+        if items:
+            return items
+        self.sync_to_store()
+        return self.repo.list_courses()
+
+    def get_assignments(self, course_id: str) -> list[dict[str, Any]]:
+        items = self.repo.list_assignments()
+        if not items:
+            self.sync_to_store()
+            items = self.repo.list_assignments()
+        return [item for item in items if str(item.get("course_id")) == str(course_id)]
+
+    def get_grades(self, course_id: str) -> dict[str, Any]:
+        snapshot = self.load_snapshot()
+        for course in snapshot.get("courses", []):
+            if str(course.get("id")) == str(course_id):
+                return {
+                    "course_id": str(course.get("id")),
+                    "course_name": course.get("name"),
+                    "final": course.get("final"),
+                    "finalSummary": course.get("finalSummary"),
+                    "gradeItems": course.get("gradeItems", []),
+                }
+        return {"course_id": course_id, "gradeItems": []}
+
+    def describe_sync_plan(self) -> dict:
+        snapshot = self.load_snapshot()
+        return {
+            "status": "stub",
+            "backend": self.repo.backend,
+            "scraper_workdir": settings.d2l_scraper_workdir,
+            "scraper_command": settings.d2l_scraper_command,
+            "snapshot_path": snapshot.get("source_path"),
+            "course_count": len(snapshot.get("courses", [])),
+            "message": "Run existing D2L scraper, normalize courses/assignments/grades, then store into Schoolhouse persistence.",
+        }
--- a/home/doris-schoolhouse/app/services/diagnostics.py
+++ b/home/doris-schoolhouse/app/services/diagnostics.py
@@ -0,0 +1,23 @@
+from pathlib import Path
+
+from app.config import settings
+from app.services.media import MediaService
+from app.services.repository import get_repository
+
+
+class DiagnosticsService:
+    def collect(self) -> dict:
+        repo = get_repository()
+        media = MediaService()
+        return {
+            'backend': repo.backend,
+            'state_dir': settings.state_dir,
+            'state_dir_exists': Path(settings.state_dir).exists(),
+            'upload_tmp_dir': settings.upload_tmp_dir,
+            'upload_tmp_dir_exists': Path(settings.upload_tmp_dir).exists(),
+            'ffmpeg_path': media.ffmpeg_path(),
+            'can_convert_audio': media.can_convert(),
+            'n8n_base_url': settings.n8n_base_url,
+            'paperless_base_url': settings.paperless_base_url,
+            'd2l_scraper_workdir': settings.d2l_scraper_workdir,
+        }
--- a/home/doris-schoolhouse/app/services/media.py
+++ b/home/doris-schoolhouse/app/services/media.py
@@ -0,0 +1,57 @@
+import shutil
+import subprocess
+from pathlib import Path
+
+
+class MediaService:
+    def planned_mp3_path(self, wav_path: str) -> str:
+        path = Path(wav_path)
+        return str(path.with_suffix('.mp3'))
+
+    def conversion_command(self, wav_path: str, mp3_path: str) -> list[str]:
+        return [
+            'ffmpeg',
+            '-y',
+            '-i', wav_path,
+            '-codec:a', 'libmp3lame',
+            '-q:a', '2',
+            mp3_path,
+        ]
+
+    def ffmpeg_path(self) -> str | None:
+        return shutil.which('ffmpeg')
+
+    def can_convert(self) -> bool:
+        return self.ffmpeg_path() is not None
+
+    def convert_wav_to_mp3(self, wav_path: str, mp3_path: str) -> dict:
+        if not self.can_convert():
+            return {
+                'status': 'blocked',
+                'reason': 'ffmpeg-not-installed',
+                'command': self.conversion_command(wav_path, mp3_path),
+            }
+        cmd = self.conversion_command(wav_path, mp3_path)
+        result = subprocess.run(cmd, capture_output=True, text=True)
+        if result.returncode != 0:
+            return {
+                'status': 'failed',
+                'returncode': result.returncode,
+                'stderr': result.stderr[-4000:],
+                'stdout': result.stdout[-2000:],
+                'command': cmd,
+            }
+        return {
+            'status': 'ok',
+            'mp3_path': mp3_path,
+            'command': cmd,
+        }
+
+    def delete_source_if_requested(self, wav_path: str, should_delete: bool) -> dict:
+        if not should_delete:
+            return {'status': 'skipped', 'reason': 'delete-not-requested'}
+        path = Path(wav_path)
+        if not path.exists():
+            return {'status': 'skipped', 'reason': 'source-missing'}
+        path.unlink()
+        return {'status': 'ok', 'deleted': wav_path}
--- a/home/doris-schoolhouse/app/services/paperless.py
+++ b/home/doris-schoolhouse/app/services/paperless.py
@@ -0,0 +1,109 @@
+import hashlib
+from urllib.parse import urljoin
+
+from app.config import settings
+from app.services.paperless_client import PaperlessClient
+from app.services.repository import get_repository
+from app.services.store import JsonStore
+
+
+class PaperlessService:
+    def __init__(self) -> None:
+        self.store = JsonStore()
+        self.repo = get_repository()
+        self.client = PaperlessClient()
+
+    def assignment_intake_payload(self, submission: dict) -> dict:
+        return {
+            "target_url": urljoin(settings.n8n_base_url, settings.n8n_assignment_webhook),
+            "class_name": submission.get("class_name"),
+            "assignment_name": submission.get("assignment_name"),
+            "submission_kind": submission.get("submission_kind") or "assignment_turn_in",
+            "semester": submission.get("semester"),
+            "course_code": submission.get("course_code"),
+            "paper_kind": submission.get("paper_kind"),
+            "notes": submission.get("notes", ""),
+            "source": submission.get("source") or "doris-schoolhouse",
+            "telegram_chat_id": submission.get("telegram_chat_id"),
+            "telegram_message_id": submission.get("telegram_message_id"),
+            "local_file": submission.get("stored_path"),
+            "version": submission.get("version_label"),
+        }
+
+    def recording_intake_payload(self, recording: dict) -> dict:
+        return {
+            "target_url": urljoin(settings.n8n_base_url, settings.n8n_recording_webhook),
+            "class_name": recording.get("class_name"),
+            "lecture_title": f"{recording.get('class_name')} {recording.get('session_date')}",
+            "notes": recording.get("notes", ""),
+            "local_file": recording.get("mp3_path") or recording.get("stored_path"),
+            "source": "doris-schoolhouse",
+        }
+
+    def build_grade_note(self, assignment_id: str) -> str:
+        submissions = self.repo.list_submissions()
+        assignments = {item.get("id"): item for item in self.repo.list_assignments()}
+        assignment = assignments.get(str(assignment_id), {})
+        linked = [s for s in submissions if str(s.get("assignment_id")) == str(assignment_id)]
+        note_lines = [
+            "Grade sync from Doris Schoolhouse",
+            f"Assignment: {assignment.get('title', 'unknown')}",
+        ]
+        if assignment.get("grade"):
+            note_lines.append(f"Grade: {assignment['grade']}")
+        if assignment.get("points"):
+            note_lines.append(f"Points: {assignment['points']}")
+        if assignment.get("comments"):
+            note_lines.append(f"Professor comments: {assignment['comments']}")
+        if linked:
+            note_lines.append(f"Linked submissions: {len(linked)}")
+        return "\n".join(note_lines)
+
+    def describe_grade_note_plan(self, assignment_id: str) -> dict:
+        submissions = self.repo.list_submissions()
+        linked = [s for s in submissions if str(s.get("assignment_id")) == str(assignment_id)]
+        return {
+            "status": "stub",
+            "backend": self.repo.backend,
+            "assignment_id": assignment_id,
+            "paperless_base_url": settings.paperless_base_url,
+            "linked_submission_count": len(linked),
+            "note_preview": self.build_grade_note(assignment_id),
+            "message": "Resolve linked Paperless submission document, hash latest grade/comment payload, and append a dated Schoolhouse note if changed.",
+        }
+
+    def append_grade_note(self, assignment_id: str) -> dict:
+        submissions = self.repo.list_submissions()
+        linked = [s for s in submissions if str(s.get("assignment_id")) == str(assignment_id)]
+        if not linked:
+            raise ValueError("No linked submissions for assignment")
+        target = next((s for s in linked if s.get("paperless_document_id")), linked[0])
+        document_id = target.get("paperless_document_id")
+        if not document_id:
+            raise ValueError("Linked submission has no Paperless document id yet")
+        note = self.build_grade_note(assignment_id)
+        note_hash = hashlib.sha256(note.encode('utf-8')).hexdigest()
+        if target.get("paperless_note_last_hash") == note_hash:
+            return {
+                "status": "skipped",
+                "reason": "note-unchanged",
+                "assignment_id": assignment_id,
+                "document_id": document_id,
+                "note_hash": note_hash,
+            }
+        response = self.client.add_note(document_id, note)
+        self.repo.update_submission(
+            str(target.get("id")),
+            {
+                "paperless_note_last_hash": note_hash,
+                "paperless_title": target.get("paperless_title"),
+                "status": target.get("status", "paperless-linked"),
+            },
+        )
+        return {
+            "status": "ok",
+            "assignment_id": assignment_id,
+            "document_id": document_id,
+            "note_hash": note_hash,
+            "paperless_response": response,
+        }
--- a/home/doris-schoolhouse/app/services/paperless_client.py
+++ b/home/doris-schoolhouse/app/services/paperless_client.py
@@ -0,0 +1,31 @@
+import json
+from urllib import request
+from urllib.parse import urljoin
+
+from app.config import settings
+
+
+class PaperlessClient:
+    def __init__(self) -> None:
+        self.base_url = settings.paperless_base_url.rstrip('/') + '/'
+        self.token = settings.paperless_api_token
+
+    def _req(self, method: str, path: str, payload: dict | None = None) -> dict:
+        url = urljoin(self.base_url, path.lstrip('/'))
+        body = None if payload is None else json.dumps(payload).encode('utf-8')
+        headers = {
+            'Authorization': f'Token {self.token}',
+            'Accept': 'application/json',
+        }
+        if body is not None:
+            headers['Content-Type'] = 'application/json'
+        req = request.Request(url, data=body, headers=headers, method=method)
+        with request.urlopen(req, timeout=120) as resp:
+            raw = resp.read().decode('utf-8', errors='replace')
+            return json.loads(raw) if raw else {}
+
+    def get_document(self, document_id: int | str) -> dict:
+        return self._req('GET', f'/api/documents/{document_id}/')
+
+    def add_note(self, document_id: int | str, note: str) -> dict:
+        return self._req('POST', f'/api/documents/{document_id}/notes/', {'note': note})
--- a/home/doris-schoolhouse/app/services/repository.py
+++ b/home/doris-schoolhouse/app/services/repository.py
@@ -0,0 +1,388 @@
+import json
+from pathlib import Path
+from typing import Any
+
+from app.config import settings
+from app.services.store import JsonStore
+
+
+class JsonRepository:
+    backend = "json"
+
+    def __init__(self) -> None:
+        self.store = JsonStore()
+
+    def list_courses(self) -> list[dict[str, Any]]:
+        return self.store.load("courses", [])
+
+    def replace_courses(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        return self.store.replace_collection("courses", items)
+
+    def list_assignments(self) -> list[dict[str, Any]]:
+        return self.store.load("assignments", [])
+
+    def replace_assignments(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        return self.store.replace_collection("assignments", items)
+
+    def list_sync_runs(self) -> list[dict[str, Any]]:
+        return self.store.load("sync_runs", [])
+
+    def save_sync_runs(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        return self.store.save("sync_runs", items)
+
+    def list_submissions(self) -> list[dict[str, Any]]:
+        return self.store.load("submissions", [])
+
+    def create_submission(self, item: dict[str, Any]) -> dict[str, Any]:
+        return self.store.append_collection("submissions", item)
+
+    def update_submission(self, submission_id: str, updates: dict[str, Any]) -> dict[str, Any] | None:
+        return self.store.update_collection_item(
+            "submissions",
+            lambda item: str(item.get("id")) == str(submission_id),
+            lambda item: {**item, **updates},
+        )
+
+    def list_recordings(self) -> list[dict[str, Any]]:
+        return self.store.load("recordings", [])
+
+    def create_recording(self, item: dict[str, Any]) -> dict[str, Any]:
+        return self.store.append_collection("recordings", item)
+
+    def update_recording(self, recording_id: str, updates: dict[str, Any]) -> dict[str, Any] | None:
+        return self.store.update_collection_item(
+            "recordings",
+            lambda item: str(item.get("id")) == str(recording_id),
+            lambda item: {**item, **updates},
+        )
+
+
+class PostgresRepository:
+    backend = "postgres"
+
+    def __init__(self) -> None:
+        import psycopg
+        from psycopg.rows import dict_row
+
+        self._psycopg = psycopg
+        self._dict_row = dict_row
+        self.dsn = settings.database_url.replace("postgresql+psycopg://", "postgresql://")
+
+    def _connect(self):
+        return self._psycopg.connect(self.dsn, row_factory=self._dict_row)
+
+    def _ensure_course(self, cur, item: dict[str, Any]) -> dict[str, Any] | None:
+        course_id = item.get("class_id") or item.get("course_id")
+        if not course_id:
+            return None
+        cur.execute("SELECT id, d2l_course_id, name FROM schoolhouse_course WHERE d2l_course_id = %s", (course_id,))
+        row = cur.fetchone()
+        if row:
+            return row
+        course_name = item.get("class_name") or item.get("course_name") or str(course_id)
+        cur.execute(
+            """
+            INSERT INTO schoolhouse_course (d2l_course_id, name, last_synced_at)
+            VALUES (%s, %s, NOW())
+            RETURNING id, d2l_course_id, name
+            """,
+            (course_id, course_name),
+        )
+        return cur.fetchone()
+
+    def _ensure_assignment(self, cur, item: dict[str, Any]) -> dict[str, Any] | None:
+        course = self._ensure_course(cur, item)
+        if not course:
+            return None
+        assignment_id = item.get("assignment_id")
+        assignment_name = item.get("assignment_name") or item.get("title")
+        if assignment_id:
+            cur.execute(
+                "SELECT id, title FROM schoolhouse_assignment WHERE course_id = %s AND d2l_assignment_key = %s LIMIT 1",
+                (course["id"], assignment_id),
+            )
+            row = cur.fetchone()
+            if row:
+                return row
+        if assignment_name:
+            cur.execute(
+                "SELECT id, title FROM schoolhouse_assignment WHERE course_id = %s AND title = %s LIMIT 1",
+                (course["id"], assignment_name),
+            )
+            row = cur.fetchone()
+            if row:
+                return row
+            cur.execute(
+                """
+                INSERT INTO schoolhouse_assignment (course_id, d2l_assignment_key, title, source, status, created_at, updated_at)
+                VALUES (%s, %s, %s, %s, %s, NOW(), NOW())
+                RETURNING id, title
+                """,
+                (course["id"], assignment_id, assignment_name, item.get("source", "schoolhouse-intake"), item.get("status", "assigned")),
+            )
+            return cur.fetchone()
+        return None
+
+    def list_courses(self) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute("SELECT id::text AS id, d2l_course_id, name, code, semester, last_synced_at FROM schoolhouse_course ORDER BY name")
+            return list(cur.fetchall())
+
+    def replace_courses(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            for item in items:
+                cur.execute(
+                    """
+                    INSERT INTO schoolhouse_course (d2l_course_id, name, code, semester, last_synced_at)
+                    VALUES (%s, %s, %s, %s, NOW())
+                    ON CONFLICT (d2l_course_id)
+                    DO UPDATE SET name = EXCLUDED.name, code = EXCLUDED.code, semester = EXCLUDED.semester, last_synced_at = NOW()
+                    """,
+                    (item.get("d2l_course_id"), item.get("name"), item.get("code"), item.get("semester")),
+                )
+            conn.commit()
+        return items
+
+    def list_assignments(self) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute(
+                """
+                SELECT a.id::text AS id,
+                       c.d2l_course_id AS course_id,
+                       c.name AS course_name,
+                       a.title,
+                       a.grade_text AS grade,
+                       a.professor_comments AS comments,
+                       a.status,
+                       a.updated_at
+                  FROM schoolhouse_assignment a
+                  JOIN schoolhouse_course c ON c.id = a.course_id
+                 ORDER BY c.name, a.title
+                """
+            )
+            return list(cur.fetchall())
+
+    def replace_assignments(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            for item in items:
+                cur.execute("SELECT id FROM schoolhouse_course WHERE d2l_course_id = %s", (item.get("course_id"),))
+                row = cur.fetchone()
+                if not row:
+                    continue
+                course_pk = row["id"]
+                cur.execute(
+                    """
+                    INSERT INTO schoolhouse_assignment (course_id, d2l_assignment_key, title, grade_text, professor_comments, source, status, created_at, updated_at)
+                    VALUES (%s, %s, %s, %s, %s, %s, %s, NOW(), NOW())
+                    ON CONFLICT DO NOTHING
+                    """,
+                    (course_pk, item.get("id"), item.get("title"), item.get("grade"), item.get("comments"), item.get("source", "d2l"), item.get("status", "assigned")),
+                )
+                cur.execute(
+                    """
+                    UPDATE schoolhouse_assignment
+                       SET grade_text = %s,
+                           professor_comments = %s,
+                           status = COALESCE(status, %s),
+                           updated_at = NOW()
+                     WHERE course_id = %s AND title = %s
+                    """,
+                    (item.get("grade"), item.get("comments"), item.get("status", "assigned"), course_pk, item.get("title")),
+                )
+            conn.commit()
+        return items
+
+    def list_sync_runs(self) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute("SELECT id::text AS id, started_at, completed_at, status, raw_snapshot_path AS snapshot_path, changes_summary_json FROM schoolhouse_d2l_sync_run ORDER BY started_at DESC")
+            return list(cur.fetchall())
+
+    def save_sync_runs(self, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        if not items:
+            return items
+        last = items[-1]
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute(
+                "INSERT INTO schoolhouse_d2l_sync_run (completed_at, status, raw_snapshot_path, changes_summary_json) VALUES (NOW(), %s, %s, %s::jsonb)",
+                (last.get("status", "completed"), last.get("snapshot_path"), json.dumps(last)),
+            )
+            conn.commit()
+        return items
+
+    def list_submissions(self) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute(
+                """
+                SELECT s.id::text AS id,
+                       a.id::text AS assignment_id,
+                       c.d2l_course_id AS class_id,
+                       c.name AS class_name,
+                       a.title AS assignment_name,
+                       s.version_label,
+                       s.original_filename,
+                       s.mime_type,
+                       s.status,
+                       s.paperless_document_id,
+                       s.paperless_title,
+                       s.paperless_note_last_hash,
+                       s.submitted_at,
+                       s.confirmed_metadata_json,
+                       s.confirmed_metadata_json->>'stored_path' AS stored_path,
+                       s.confirmed_metadata_json->>'local_file' AS local_file
+                  FROM schoolhouse_submission s
+                  JOIN schoolhouse_assignment a ON a.id = s.assignment_id
+                  JOIN schoolhouse_course c ON c.id = a.course_id
+                 ORDER BY s.created_at DESC
+                """
+            )
+            return list(cur.fetchall())
+
+    def create_submission(self, item: dict[str, Any]) -> dict[str, Any]:
+        with self._connect() as conn, conn.cursor() as cur:
+            row = self._ensure_assignment(cur, item)
+            if not row:
+                raise ValueError("Assignment not found and could not be created in Postgres repository")
+            cur.execute(
+                """
+                INSERT INTO schoolhouse_submission (
+                  assignment_id, version_label, original_filename, mime_type, checksum_sha256,
+                  submitted_at, suggested_metadata_json, confirmed_metadata_json, status
+                ) VALUES (%s, %s, %s, %s, %s, NOW(), %s::jsonb, %s::jsonb, %s)
+                RETURNING id::text AS id
+                """,
+                (
+                    row["id"], item.get("version_label") or "v1", item.get("original_filename"), item.get("mime_type", "application/octet-stream"), item.get("checksum_sha256"),
+                    json.dumps(item.get("paperless_handoff", {})), json.dumps(item), item.get("status", "uploaded-local"),
+                ),
+            )
+            created = cur.fetchone()
+            conn.commit()
+            item["id"] = created["id"]
+            return item
+
+    def update_submission(self, submission_id: str, updates: dict[str, Any]) -> dict[str, Any] | None:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute("SELECT confirmed_metadata_json FROM schoolhouse_submission WHERE id = %s::bigint", (submission_id,))
+            current = cur.fetchone()
+            if not current:
+                return None
+            merged_metadata = {**(current.get("confirmed_metadata_json") or {}), **updates}
+            cur.execute(
+                """
+                UPDATE schoolhouse_submission
+                   SET status = COALESCE(%s, status),
+                       paperless_document_id = COALESCE(%s, paperless_document_id),
+                       paperless_title = COALESCE(%s, paperless_title),
+                       paperless_note_last_hash = COALESCE(%s, paperless_note_last_hash),
+                       paperless_note_appended_at = CASE WHEN %s::text IS NOT NULL THEN NOW() ELSE paperless_note_appended_at END,
+                       confirmed_metadata_json = %s::jsonb,
+                       updated_at = NOW()
+                 WHERE id = %s::bigint
+             RETURNING id::text AS id, status, paperless_document_id, paperless_title, paperless_note_last_hash
+                """,
+                (
+                    updates.get("status"), updates.get("paperless_document_id"), updates.get("paperless_title"), updates.get("paperless_note_last_hash"), updates.get("paperless_note_last_hash"),
+                    json.dumps(merged_metadata), submission_id,
+                ),
+            )
+            row = cur.fetchone()
+            conn.commit()
+            return {**merged_metadata, **dict(row)} if row else None
+
+    def list_recordings(self) -> list[dict[str, Any]]:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute(
+                """
+                SELECT r.id::text AS id,
+                       c.d2l_course_id AS class_id,
+                       c.name AS class_name,
+                       r.assignment_id::text AS assignment_id,
+                       r.course_id::text AS course_id,
+                       r.session_date::text AS session_date,
+                       r.original_filename,
+                       r.mp3_filename,
+                       r.transcription_status,
+                       r.summary_status,
+                       r.recording_paperless_document_id,
+                       r.recording_metadata_json,
+                       r.recording_metadata_json->>'stored_path' AS stored_path,
+                       r.recording_metadata_json->>'mp3_path' AS mp3_path,
+                       r.recording_metadata_json->>'status' AS status,
+                       r.recording_metadata_json->>'conversion_status' AS conversion_status,
+                       r.recording_metadata_json->>'notes' AS notes,
+                       r.recording_metadata_json->>'delete_wav_after_success' AS delete_wav_after_success
+                  FROM schoolhouse_recording r
+                  JOIN schoolhouse_course c ON c.id = r.course_id
+                 ORDER BY r.created_at DESC
+                """
+            )
+            return list(cur.fetchall())
+
+    def create_recording(self, item: dict[str, Any]) -> dict[str, Any]:
+        with self._connect() as conn, conn.cursor() as cur:
+            row = self._ensure_course(cur, item)
+            if not row:
+                raise ValueError("Course not found and could not be created in Postgres repository")
+            cur.execute(
+                """
+                INSERT INTO schoolhouse_recording (
+                  course_id, assignment_id, session_date, original_filename, mp3_filename, notes,
+                  transcription_status, summary_status, recording_metadata_json
+                ) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s::jsonb)
+                RETURNING id::text AS id
+                """,
+                (
+                    row["id"], item.get("assignment_id") or None, item.get("session_date"), item.get("original_filename"),
+                    Path(item.get("mp3_path")).name if item.get("mp3_path") else None, item.get("notes"), item.get("transcription_status"),
+                    item.get("summary_status"), json.dumps(item),
+                ),
+            )
+            created = cur.fetchone()
+            conn.commit()
+            item["id"] = created["id"]
+            return item
+
+    def update_recording(self, recording_id: str, updates: dict[str, Any]) -> dict[str, Any] | None:
+        with self._connect() as conn, conn.cursor() as cur:
+            cur.execute("SELECT recording_metadata_json FROM schoolhouse_recording WHERE id = %s::bigint", (recording_id,))
+            current = cur.fetchone()
+            if not current:
+                return None
+            merged_metadata = {**(current.get("recording_metadata_json") or {}), **updates}
+            cur.execute(
+                """
+                UPDATE schoolhouse_recording
+                   SET transcription_status = COALESCE(%s, transcription_status),
+                       summary_status = COALESCE(%s, summary_status),
+                       transcript_paperless_document_id = COALESCE(%s, transcript_paperless_document_id),
+                       summary_paperless_document_id = COALESCE(%s, summary_paperless_document_id),
+                       recording_paperless_document_id = COALESCE(%s, recording_paperless_document_id),
+                       mp3_filename = COALESCE(%s, mp3_filename),
+                       notes = COALESCE(%s, notes),
+                       recording_metadata_json = %s::jsonb,
+                       updated_at = NOW()
+                 WHERE id = %s::bigint
+             RETURNING id::text AS id, transcription_status, summary_status, recording_paperless_document_id
+                """,
+                (
+                    updates.get("transcription_status"), updates.get("summary_status"), updates.get("transcript_paperless_document_id"),
+                    updates.get("summary_paperless_document_id"), updates.get("recording_paperless_document_id"),
+                    Path(updates.get("mp3_path")).name if updates.get("mp3_path") else None,
+                    updates.get("notes"), json.dumps(merged_metadata), recording_id,
+                ),
+            )
+            row = cur.fetchone()
+            conn.commit()
+            return {**merged_metadata, **dict(row)} if row else None
+
+
+def get_repository():
+    backend = getattr(settings, "storage_backend", "auto")
+    if backend == "json":
+        return JsonRepository()
+    if settings.database_url.startswith("postgresql"):
+        try:
+            return PostgresRepository()
+        except Exception:
+            return JsonRepository()
+    return JsonRepository()
--- a/home/doris-schoolhouse/app/services/store.py
+++ b/home/doris-schoolhouse/app/services/store.py
@@ -0,0 +1,53 @@
+import json
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any
+from uuid import uuid4
+
+from app.config import settings
+
+
+class JsonStore:
+    def __init__(self) -> None:
+        self.root = Path(settings.state_dir)
+        self.root.mkdir(parents=True, exist_ok=True)
+
+    def _path(self, name: str) -> Path:
+        return self.root / f"{name}.json"
+
+    def load(self, name: str, default: Any) -> Any:
+        path = self._path(name)
+        if not path.exists():
+            return default
+        return json.loads(path.read_text())
+
+    def save(self, name: str, value: Any) -> Any:
+        path = self._path(name)
+        path.write_text(json.dumps(value, indent=2, sort_keys=True))
+        return value
+
+    def replace_collection(self, name: str, items: list[dict[str, Any]]) -> list[dict[str, Any]]:
+        return self.save(name, items)
+
+    def append_collection(self, name: str, item: dict[str, Any]) -> dict[str, Any]:
+        items = self.load(name, [])
+        items.append(item)
+        self.save(name, items)
+        return item
+
+    def update_collection_item(self, name: str, predicate, updater):
+        items = self.load(name, [])
+        updated = None
+        for idx, item in enumerate(items):
+            if predicate(item):
+                items[idx] = updater(dict(item))
+                updated = items[idx]
+                break
+        self.save(name, items)
+        return updated
+
+    def now(self) -> str:
+        return datetime.now(timezone.utc).isoformat()
+
+    def new_id(self, prefix: str) -> str:
+        return f"{prefix}-{uuid4().hex[:12]}"
--- a/home/doris-schoolhouse/app/services/webhooks.py
+++ b/home/doris-schoolhouse/app/services/webhooks.py
@@ -0,0 +1,52 @@
+import json
+import mimetypes
+import uuid
+from pathlib import Path
+from urllib import error, request
+
+
+class WebhookService:
+    def _multipart_body(self, fields: dict[str, str], file_field: str, file_path: str) -> tuple[bytes, str]:
+        boundary = f"----DorisSchoolhouse{uuid.uuid4().hex}"
+        parts: list[bytes] = []
+        for key, value in fields.items():
+            parts.extend([
+                f"--{boundary}\r\n".encode(),
+                f'Content-Disposition: form-data; name="{key}"\r\n\r\n'.encode(),
+                str(value).encode(),
+                b"\r\n",
+            ])
+        path = Path(file_path)
+        mime = mimetypes.guess_type(path.name)[0] or "application/octet-stream"
+        parts.extend([
+            f"--{boundary}\r\n".encode(),
+            f'Content-Disposition: form-data; name="{file_field}"; filename="{path.name}"\r\n'.encode(),
+            f"Content-Type: {mime}\r\n\r\n".encode(),
+            path.read_bytes(),
+            b"\r\n",
+            f"--{boundary}--\r\n".encode(),
+        ])
+        return b"".join(parts), boundary
+
+    def post_multipart(self, url: str, fields: dict[str, str], file_field: str, file_path: str) -> dict:
+        body, boundary = self._multipart_body(fields, file_field, file_path)
+        req = request.Request(
+            url,
+            data=body,
+            headers={"Content-Type": f"multipart/form-data; boundary={boundary}"},
+            method="POST",
+        )
+
+        def parse_raw(raw: str):
+            try:
+                return json.loads(raw)
+            except Exception:
+                return {"raw": raw}
+
+        try:
+            with request.urlopen(req, timeout=120) as response:
+                raw = response.read().decode("utf-8", errors="replace")
+                return {"ok": True, "status_code": response.status, "body": parse_raw(raw)}
+        except error.HTTPError as exc:
+            raw = exc.read().decode("utf-8", errors="replace")
+            return {"ok": False, "status_code": exc.code, "body": parse_raw(raw), "error": str(exc)}
--- a/home/doris-schoolhouse/app/static/app.css
+++ b/home/doris-schoolhouse/app/static/app.css
@@ -0,0 +1,60 @@
+:root {
+  color-scheme: dark;
+  --bg: #0f172a;
+  --panel: #111827;
+  --panel-2: #1f2937;
+  --line: #334155;
+  --text: #e5e7eb;
+  --muted: #94a3b8;
+  --accent: #38bdf8;
+}
+
+* { box-sizing: border-box; }
+body {
+  margin: 0;
+  font-family: Inter, system-ui, sans-serif;
+  background: linear-gradient(180deg, #020617, var(--bg));
+  color: var(--text);
+}
+
+.site-header, .page-shell { max-width: 1200px; margin: 0 auto; padding: 24px; }
+.site-header { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
+.site-header p { color: var(--muted); margin: 6px 0 0; }
+nav { display: flex; gap: 16px; flex-wrap: wrap; }
+nav a { color: var(--accent); text-decoration: none; }
+
+.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
+.card {
+  background: rgba(17, 24, 39, 0.92);
+  border: 1px solid var(--line);
+  border-radius: 16px;
+  padding: 20px;
+}
+
+.form-card { max-width: 760px; }
+.stack { display: grid; gap: 14px; }
+label { display: grid; gap: 8px; color: var(--muted); }
+input, textarea, button {
+  font: inherit;
+  border-radius: 10px;
+  border: 1px solid var(--line);
+  padding: 12px 14px;
+}
+input, textarea { background: var(--panel-2); color: var(--text); }
+button {
+  background: var(--accent);
+  color: #082f49;
+  font-weight: 700;
+  cursor: pointer;
+}
+
+
+.muted { color: var(--muted); }
+.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 12px 0 16px; }
+.stat-grid div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: grid; gap: 8px; }
+.stat-grid span { font-size: 1.5rem; font-weight: 700; color: var(--text); }
+.three-up { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
+.list-block { display: grid; gap: 10px; }
+.list-item { padding: 10px 12px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; }
+.list-item strong { display: block; margin-bottom: 6px; }
+.list-item small { color: var(--muted); display: block; }
--- a/home/doris-schoolhouse/app/static/app.js
+++ b/home/doris-schoolhouse/app/static/app.js
@@ -0,0 +1,127 @@
+async function fetchJson(url, options) {
+  const res = await fetch(url, options);
+  if (!res.ok) throw new Error(`Fetch failed: ${url}`);
+  return await res.json();
+}
+
+function option(value, label) {
+  const el = document.createElement('option');
+  el.value = value;
+  el.textContent = label;
+  return el;
+}
+
+function renderList(targetId, items, formatter) {
+  const target = document.getElementById(targetId);
+  if (!target) return;
+  if (!items.length) {
+    target.textContent = 'Nothing here yet.';
+    target.classList.add('muted');
+    return;
+  }
+  target.classList.remove('muted');
+  target.innerHTML = '';
+  for (const item of items) {
+    const wrapper = document.createElement('div');
+    wrapper.className = 'list-item';
+    wrapper.innerHTML = formatter(item);
+    target.appendChild(wrapper);
+  }
+}
+
+async function populateCourses() {
+  const data = await fetchJson('/api/d2l/courses');
+  const courseSelect = document.getElementById('class-select');
+  const courseNameInput = document.getElementById('class-name-input');
+  const recordingSelect = document.getElementById('recording-class-select');
+  const recordingNameInput = document.getElementById('recording-class-name-input');
+  const courses = data.items || [];
+  const byId = new Map(courses.map((course) => [String(course.d2l_course_id || course.id), course]));
+
+  if (courseSelect) {
+    courseSelect.innerHTML = '';
+    courseSelect.appendChild(option('', 'Choose a class'));
+    for (const course of courses) {
+      courseSelect.appendChild(option(course.d2l_course_id || course.id, `${course.name}${course.finalSummary ? ' — ' + course.finalSummary : ''}`));
+    }
+    courseSelect.addEventListener('change', async (event) => {
+      const courseId = event.target.value;
+      const course = byId.get(String(courseId));
+      if (courseNameInput) courseNameInput.value = course?.name || '';
+      const assignmentSelect = document.getElementById('assignment-select');
+      assignmentSelect.innerHTML = '';
+      if (!courseId) {
+        assignmentSelect.appendChild(option('', 'Pick a class first'));
+        return;
+      }
+      assignmentSelect.appendChild(option('', 'Loading assignments…'));
+      const assignmentData = await fetchJson(`/api/d2l/assignments?course_id=${encodeURIComponent(courseId)}`);
+      assignmentSelect.innerHTML = '';
+      assignmentSelect.appendChild(option('', 'Choose an assignment'));
+      for (const assignment of assignmentData.items || []) {
+        assignmentSelect.appendChild(option(assignment.title, assignment.title));
+      }
+    });
+  }
+
+  if (recordingSelect) {
+    recordingSelect.innerHTML = '';
+    recordingSelect.appendChild(option('', 'Choose a class'));
+    for (const course of courses) {
+      recordingSelect.appendChild(option(course.d2l_course_id || course.id, course.name));
+    }
+    recordingSelect.addEventListener('change', (event) => {
+      const course = byId.get(String(event.target.value));
+      if (recordingNameInput) recordingNameInput.value = course?.name || '';
+    });
+  }
+}
+
+async function loadDashboard() {
+  const data = await fetchJson('/api/dashboard/summary');
+  const counts = data.counts || {};
+  const setText = (id, value) => {
+    const el = document.getElementById(id);
+    if (el) el.textContent = value;
+  };
+  setText('stat-courses', counts.courses ?? '0');
+  setText('stat-assignments', counts.assignments ?? '0');
+  setText('stat-submissions', counts.submissions ?? '0');
+  setText('stat-recordings', counts.recordings ?? '0');
+  setText('backend-note', `Storage backend: ${data.backend}`);
+  if (data.latest_sync) {
+    setText('sync-status', `Last sync: ${data.latest_sync.completed_at || 'unknown'} · ${data.latest_sync.assignment_count || 0} assignment rows`);
+  }
+  renderList('recent-assignments', data.recent_assignments || [], (item) => `<strong>${item.title || 'Untitled'}</strong><small>${item.course_name || ''}</small><small>Status: ${item.status || 'assigned'} · Grade: ${item.grade || '—'}</small>`);
+  renderList('recent-submissions', data.recent_submissions || [], (item) => `<strong>${item.assignment_name || item.original_filename || 'Submission'}</strong><small>${item.class_name || ''}</small><small>Status: ${item.status || 'unknown'} · File: ${item.original_filename || '—'}</small>`);
+  renderList('recent-recordings', data.recent_recordings || [], (item) => `<strong>${item.original_filename || 'Recording'}</strong><small>${item.session_date || ''}</small><small>Transcription: ${item.transcription_status || '—'} · Summary: ${item.summary_status || '—'}</small>`);
+}
+
+async function wireSyncButton() {
+  const button = document.getElementById('sync-button');
+  if (!button) return;
+  button.addEventListener('click', async () => {
+    button.disabled = true;
+    button.textContent = 'Refreshing…';
+    try {
+      const result = await fetchJson('/api/d2l/sync', { method: 'POST' });
+      const el = document.getElementById('sync-status');
+      if (el) el.textContent = `Last sync: just now · ${result.assignment_count} assignment rows · backend ${result.backend}`;
+      await loadDashboard();
+    } catch (error) {
+      const el = document.getElementById('sync-status');
+      if (el) el.textContent = `Sync failed: ${error}`;
+    } finally {
+      button.disabled = false;
+      button.textContent = 'Refresh from D2L';
+    }
+  });
+}
+
+populateCourses().catch((error) => {
+  console.error('Failed to populate D2L selectors', error);
+});
+loadDashboard().catch((error) => {
+  console.error('Failed to load dashboard summary', error);
+});
+wireSyncButton();
--- a/home/doris-schoolhouse/app/templates/assignment_upload.html
+++ b/home/doris-schoolhouse/app/templates/assignment_upload.html
@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+{% block content %}
+<section class="card form-card">
+  <h2>Assignment Upload</h2>
+  <form class="stack" method="post" enctype="multipart/form-data" action="/api/assignments/intake" id="assignment-upload-form">
+    <label>Class
+      <select name="class_id" id="class-select" required>
+        <option value="">Loading classes…</option>
+      </select>
+      <input type="hidden" name="class_name" id="class-name-input">
+    </label>
+    <label>Assignment
+      <select name="assignment_name" id="assignment-select" required>
+        <option value="">Pick a class first</option>
+      </select>
+    </label>
+    <label>Version <input name="version" value="v1"></label>
+    <label>Notes <textarea name="notes" rows="4" placeholder="Anything useful about this turn-in."></textarea></label>
+    <label>File <input type="file" name="file" required></label>
+    <button type="submit">Upload for metadata confirmation</button>
+  </form>
+</section>
+{% endblock %}
--- a/home/doris-schoolhouse/app/templates/base.html
+++ b/home/doris-schoolhouse/app/templates/base.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>{{ title or 'Doris Schoolhouse' }}</title>
+    <link rel="stylesheet" href="/static/app.css">
+  </head>
+  <body>
+    <header class="site-header">
+      <div>
+        <h1>Doris Schoolhouse</h1>
+        <p>School intake, recordings, D2L sync, and Paperless linkage.</p>
+      </div>
+      <nav>
+        <a href="/">Dashboard</a>
+        <a href="/assignments/upload">Assignment Upload</a>
+        <a href="/recordings/upload">Recording Upload</a>
+      </nav>
+    </header>
+    <main class="page-shell">
+      {% block content %}{% endblock %}
+    </main>
+    <script src="/static/app.js"></script>
+  </body>
+</html>
--- a/home/doris-schoolhouse/app/templates/dashboard.html
+++ b/home/doris-schoolhouse/app/templates/dashboard.html
@@ -0,0 +1,42 @@
+{% extends 'base.html' %}
+{% block content %}
+<section class="hero">
+  <div class="card">
+    <h2>Overview</h2>
+    <div class="stat-grid" id="summary-stats">
+      <div><strong>Courses</strong><span id="stat-courses">—</span></div>
+      <div><strong>Assignments</strong><span id="stat-assignments">—</span></div>
+      <div><strong>Submissions</strong><span id="stat-submissions">—</span></div>
+      <div><strong>Recordings</strong><span id="stat-recordings">—</span></div>
+    </div>
+    <p class="muted" id="backend-note">Loading backend…</p>
+    <button id="sync-button" type="button">Refresh from D2L</button>
+    <p class="muted" id="sync-status">No sync run loaded yet.</p>
+  </div>
+  <div class="card">
+    <h2>What this app currently does</h2>
+    <ul>
+      <li>Reads current D2L scrape data</li>
+      <li>Caches course and assignment rows</li>
+      <li>Stores assignment upload intake records</li>
+      <li>Stores recording upload intake records</li>
+      <li>Builds Paperless/n8n handoff payloads</li>
+    </ul>
+  </div>
+</section>
+
+<section class="three-up">
+  <div class="card">
+    <h2>Recent assignments</h2>
+    <div id="recent-assignments" class="list-block muted">Loading…</div>
+  </div>
+  <div class="card">
+    <h2>Recent submissions</h2>
+    <div id="recent-submissions" class="list-block muted">Loading…</div>
+  </div>
+  <div class="card">
+    <h2>Recent recordings</h2>
+    <div id="recent-recordings" class="list-block muted">Loading…</div>
+  </div>
+</section>
+{% endblock %}
--- a/home/doris-schoolhouse/app/templates/recording_upload.html
+++ b/home/doris-schoolhouse/app/templates/recording_upload.html
@@ -0,0 +1,19 @@
+{% extends 'base.html' %}
+{% block content %}
+<section class="card form-card">
+  <h2>Recording Upload</h2>
+  <form class="stack" method="post" enctype="multipart/form-data" action="/api/recordings/intake">
+    <label>Class
+      <select name="class_id" id="recording-class-select" required>
+        <option value="">Loading classes…</option>
+      </select>
+      <input type="hidden" name="class_name" id="recording-class-name-input">
+    </label>
+    <label>Session date <input type="date" name="session_date" required></label>
+    <label>Related assignment ID (optional) <input type="text" name="assignment_id"></label>
+    <label>Notes <textarea name="notes" rows="4" placeholder="Lecture, lab, exam review, etc."></textarea></label>
+    <label>WAV file <input type="file" name="file" accept="audio/wav,.wav" required></label>
+    <button type="submit">Upload and queue conversion</button>
+  </form>
+</section>
+{% endblock %}