feat: implement CRUD API endpoints for user stream bookmarks

app/api/routes-f/stream/markers/[id]/route.ts

@@ -0,0 +1,47 @@
+import { NextRequest, NextResponse } from "next/server";
+import { sql } from "@vercel/postgres";
+import { verifySession } from "@/lib/auth/verify-session";
+
+/**
+ * DELETE /api/routes-f/stream/markers/[id] — remove a bookmark
+ */
+
+export async function DELETE(
+  req: NextRequest,
+  { params }: { params: { id: string } }
+) {
+  const session = await verifySession(req);
+  if (!session.ok) return session.response;
+
+  const { id } = params;
+
+  if (!id) {
+    return NextResponse.json(
+      { error: "Marker ID is required" },
+      { status: 400 }
+    );
+  }
+
+  try {
+    // Delete only if it belongs to the authenticated user
+    const result = await sql`
+      DELETE FROM stream_markers
+      WHERE id = ${id} AND user_id = ${session.userId}
+    `;
+
+    if (result.rowCount === 0) {
+      return NextResponse.json(
+        { error: "Marker not found or unauthorized" },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json({ message: "Marker deleted successfully" });
+  } catch (error) {
+    console.error("[DELETE Marker] Error:", error);
+    return NextResponse.json(
+      { error: "Failed to delete marker" },
+      { status: 500 }
+    );
+  }
+}

app/api/routes-f/stream/markers/route.ts

@@ -0,0 +1,110 @@
+import { NextRequest, NextResponse } from "next/server";
+import { sql } from "@vercel/postgres";
+import { verifySession } from "@/lib/auth/verify-session";
+
+/**
+ * GET /api/routes-f/stream/markers?recording_id= — list own bookmarks for a recording
+ * POST /api/routes-f/stream/markers — add a bookmark (recording_id, timestamp_seconds, note?)
+ */
+
+async function ensureTableExists() {
+  await sql`
+    CREATE TABLE IF NOT EXISTS stream_markers (
+      id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+      user_id UUID REFERENCES users(id) ON DELETE CASCADE,
+      recording_id VARCHAR(255) NOT NULL,
+      timestamp_seconds INTEGER NOT NULL,
+      note VARCHAR(100),
+      created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+    );
+  `;
+  await sql`
+    CREATE INDEX IF NOT EXISTS idx_stream_markers_user_recording ON stream_markers(user_id, recording_id);
+  `;
+}
+
+export async function GET(req: NextRequest) {
+  const session = await verifySession(req);
+  if (!session.ok) return session.response;
+
+  const { searchParams } = new URL(req.url);
+  const recordingId = searchParams.get("recording_id");
+
+  if (!recordingId) {
+    return NextResponse.json(
+      { error: "recording_id is required" },
+      { status: 400 }
+    );
+  }
+
+  try {
+    await ensureTableExists();
+    const { rows } = await sql`
+      SELECT id, recording_id, timestamp_seconds, note, created_at
+      FROM stream_markers
+      WHERE user_id = ${session.userId} AND recording_id = ${recordingId}
+      ORDER BY timestamp_seconds ASC
+    `;
+
+    return NextResponse.json(rows);
+  } catch (error) {
+    console.error("[GET Markers] Error:", error);
+    return NextResponse.json(
+      { error: "Failed to fetch markers" },
+      { status: 500 }
+    );
+  }
+}
+
+export async function POST(req: NextRequest) {
+  const session = await verifySession(req);
+  if (!session.ok) return session.response;
+
+  try {
+    const { recording_id, timestamp_seconds, note } = await req.json();
+
+    if (!recording_id || typeof timestamp_seconds !== "number") {
+      return NextResponse.json(
+        { error: "recording_id and timestamp_seconds are required" },
+        { status: 400 }
+      );
+    }
+
+    if (note && note.length > 100) {
+      return NextResponse.json(
+        { error: "Note must be 100 characters or less" },
+        { status: 400 }
+      );
+    }
+
+    await ensureTableExists();
+
+    // Check limit: Max 50 bookmarks per recording per user
+    const { rows: countRows } = await sql`
+      SELECT COUNT(*)::int as count 
+      FROM stream_markers 
+      WHERE user_id = ${session.userId} AND recording_id = ${recording_id}
+    `;
+
+    if (countRows[0].count >= 50) {
+      return NextResponse.json(
+        { error: "Maximum 50 bookmarks per recording reached" },
+        { status: 400 }
+      );
+    }
+
+    const { rows } = await sql`
+      INSERT INTO stream_markers (user_id, recording_id, timestamp_seconds, note)
+      VALUES (${session.userId}, ${recording_id}, ${timestamp_seconds}, ${note || null})
+      RETURNING id, recording_id, timestamp_seconds, note, created_at
+    `;
+
+    return NextResponse.json(rows[0], { status: 201 });
+  } catch (error) {
+    console.error("[POST Markers] Error:", error);
+    return NextResponse.json(
+      { error: "Failed to add marker" },
+      { status: 500 }
+    );
+  }
+}