feat: optimistic delete UX; tags history API+UI; Qdrant API (collections/points) + page; loading skeleton; deps (framer-motion, skeleton, qdrant, deck.gl, umap). Implements next steps from implementation_plan.md

package.json

@@ -10,7 +10,9 @@
     "create:index": "tsx -r dotenv/config -r tsconfig-paths/register scripts/create-index.ts"
   },
   "dependencies": {
+    "@codemirror/lang-markdown": "^6.3.4",
     "@elastic/elasticsearch": "^9.1.1",
+    "@qdrant/qdrant-js": "^1.15.1",
     "@radix-ui/react-dialog": "^1.1.15",
     "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-progress": "^1.1.7",
@@ -19,17 +21,22 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "@sentry/nextjs": "^10.11.0",
     "@tanstack/react-query": "^5.87.4",
+    "@uiw/react-codemirror": "^4.25.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
+    "deck.gl": "^9.1.14",
+    "framer-motion": "^12.23.12",
     "lucide-react": "^0.544.0",
     "next": "15.5.3",
     "next-themes": "^0.4.6",
     "openai": "^5.20.2",
     "react": "19.1.0",
     "react-dom": "19.1.0",
+    "react-loading-skeleton": "^3.5.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.3.1",
+    "umap-js": "^1.4.0",
     "webdav": "^5.8.0",
     "zod": "^3.25.76"
   },

src/app/api/files/content/route.ts

@@ -0,0 +1,77 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { nextcloud } from "@/lib/webdav";
+import { normalizePath } from "@/lib/paths";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+// GET ?path=/abs/path  -> { content, mimeType }
+export async function GET(req: Request) {
+  try {
+    const { searchParams } = new URL(req.url);
+    const rawPath = searchParams.get("path");
+    if (!rawPath) {
+      return json({ error: "path is required" }, { status: 400 });
+    }
+    const path = normalizePath(rawPath);
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.files.content.get" },
+      async (span) => {
+        span.setAttribute("path", path);
+        const res = await nextcloud.readText(path);
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    const status = /404/.test(message) ? 404 : 500;
+    return json({ error: "Failed to read file content", message }, { status });
+  }
+}
+
+// PUT { path, content, mimeType? } -> { ok, etag? }
+export async function PUT(req: Request) {
+  try {
+    const body = (await req.json().catch(() => ({}))) as {
+      path?: string;
+      content?: string;
+      mimeType?: string;
+    };
+    if (!body?.path || typeof body.content !== "string") {
+      return json({ error: "path and content are required" }, { status: 400 });
+    }
+    const path = normalizePath(body.path);
+    const mime = body.mimeType || "text/markdown";
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.files.content.put" },
+      async (span) => {
+        span.setAttribute("path", path);
+        span.setAttribute("content.length", body.content!.length);
+        span.setAttribute("mimeType", mime);
+        const res = await nextcloud.writeText(path, body.content!, mime);
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    const status = /409|conflict/i.test(message)
+      ? 409
+      : /423|locked/i.test(message)
+      ? 423
+      : 500;
+    return json({ error: "Failed to write file content", message }, { status });
+  }
+}

src/app/api/files/copy/route.ts

@@ -0,0 +1,48 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { nextcloud } from "@/lib/webdav";
+import { normalizePath } from "@/lib/paths";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+export async function POST(req: Request) {
+  try {
+    const body = (await req.json().catch(() => ({}))) as {
+      from?: string;
+      to?: string;
+    };
+
+    if (!body?.from || !body?.to) {
+      return json({ error: "from and to are required" }, { status: 400 });
+    }
+
+    const from = normalizePath(body.from);
+    const to = normalizePath(body.to);
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.files.copy" },
+      async (span) => {
+        span.setAttribute("path_from", from);
+        span.setAttribute("path_to", to);
+        const res = await nextcloud.copyFile(from, to);
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    const status = /409|conflict/i.test(message)
+      ? 409
+      : /423|locked/i.test(message)
+      ? 423
+      : 500;
+    return json({ error: "Failed to copy file", message }, { status });
+  }
+}

src/app/api/files/delete/route.ts

@@ -0,0 +1,45 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { nextcloud } from "@/lib/webdav";
+import { normalizePath } from "@/lib/paths";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+export async function POST(req: Request) {
+  try {
+    const body = (await req.json().catch(() => ({}))) as {
+      path?: string;
+    };
+
+    if (!body?.path) {
+      return json({ error: "path is required" }, { status: 400 });
+    }
+
+    const path = normalizePath(body.path);
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.files.delete" },
+      async (span) => {
+        span.setAttribute("path", path);
+        const res = await nextcloud.deletePath(path);
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    const status = /409|conflict/i.test(message)
+      ? 409
+      : /423|locked/i.test(message)
+      ? 423
+      : 500;
+    return json({ error: "Failed to delete path", message }, { status });
+  }
+}

src/app/api/files/rename/route.ts

@@ -0,0 +1,49 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { nextcloud } from "@/lib/webdav";
+import { normalizePath } from "@/lib/paths";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+export async function POST(req: Request) {
+  try {
+    const body = (await req.json().catch(() => ({}))) as {
+      from?: string;
+      to?: string;
+    };
+
+    if (!body?.from || !body?.to) {
+      return json({ error: "from and to are required" }, { status: 400 });
+    }
+
+    const from = normalizePath(body.from);
+    const to = normalizePath(body.to);
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.files.rename" },
+      async (span) => {
+        span.setAttribute("path_from", from);
+        span.setAttribute("path_to", to);
+        const res = await nextcloud.moveFile(from, to);
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    // Map some common WebDAV conflict/locked responses if available
+    const status = /409|conflict/i.test(message)
+      ? 409
+      : /423|locked/i.test(message)
+      ? 423
+      : 500;
+    return json({ error: "Failed to rename file", message }, { status });
+  }
+}

src/app/api/files/tags/history/route.ts

@@ -0,0 +1,65 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { getEsClient } from "@/lib/elasticsearch";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+// GET /api/files/tags/history?path=/abs/path&size=50
+export async function GET(req: Request) {
+  try {
+    const { searchParams } = new URL(req.url);
+    const path = searchParams.get("path");
+    const sizeParam = searchParams.get("size");
+    const size = Math.min(Math.max(Number(sizeParam || 50) || 50, 1), 500);
+
+    if (!path) {
+      return json({ error: "path is required" }, { status: 400 });
+    }
+
+    const result = await Sentry.startSpan(
+      { op: "db.query", name: "ES list tag history" },
+      async (span) => {
+        span.setAttribute("path", path);
+        span.setAttribute("size", size);
+
+        const client = getEsClient();
+        const res = await client.search({
+          index: "files_events",
+          size,
+          sort: [{ at: { order: "desc" } }],
+          query: {
+            bool: {
+              must: [
+                { term: { path } },
+                { term: { action: "tags.update" } },
+              ],
+            },
+          },
+        });
+
+        const hits = (res.hits.hits || []).map((h) => ({
+          id: (h._id as string) ?? undefined,
+          ...(h._source as Record<string, unknown>),
+        }));
+
+        const total =
+          typeof res.hits.total === "object" && res.hits.total !== null
+            ? (res.hits.total as { value: number; relation?: string }).value
+            : (res.hits.total as number | undefined) ?? hits.length;
+
+        return { total, items: hits };
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    return json({ error: "Failed to fetch tag history", message }, { status: 500 });
+  }
+}

src/app/api/files/tags/route.ts

@@ -0,0 +1,78 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { getEsClient } from "@/lib/elasticsearch";
+import { env } from "@/lib/env";
+import { pathToId } from "@/lib/paths";
+import type { TagHistoryEvent } from "@/types/files";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+export async function POST(req: Request) {
+  try {
+    const body = (await req.json().catch(() => ({}))) as {
+      path?: string;
+      tags?: string[];
+    };
+
+    if (!body?.path || !Array.isArray(body.tags)) {
+      return json({ error: "path and tags[] are required" }, { status: 400 });
+    }
+
+    const path = body.path;
+    const tags = body.tags;
+    const id = pathToId(path);
+    const index = env.ELASTICSEARCH_ALIAS || env.ELASTICSEARCH_INDEX;
+    const eventsIndex = "files_events";
+
+    await Sentry.startSpan(
+      { op: "db.query", name: "ES updateTags + appendTagHistory" },
+      async (span) => {
+        span.setAttribute("doc.id", id);
+        span.setAttribute("tags.count", tags.length);
+
+        const client = getEsClient();
+
+        // Update tags on the main document (upsert to be resilient)
+        await client.update({
+          index,
+          id,
+          doc: { tags },
+          doc_as_upsert: true,
+        });
+
+        // Append a tag history event (append-only). We don't block on failures here.
+        const event: TagHistoryEvent = {
+          id: (globalThis.crypto?.randomUUID?.() ??
+            Math.random().toString(36).slice(2) + Date.now().toString(36)) as string,
+          path,
+          action: "tags.update",
+          to: tags,
+          at: new Date().toISOString(),
+        };
+
+        try {
+          await client.index({
+            index: eventsIndex,
+            id: event.id,
+            document: event,
+            refresh: "wait_for",
+          });
+        } catch (e) {
+          // Non-fatal; emit to Sentry but continue
+          Sentry.captureException(e);
+        }
+      },
+    );
+
+    return json({ ok: true, tags });
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    return json({ error: "Failed to update tags", message }, { status: 500 });
+  }
+}

src/app/api/qdrant/collections/route.ts

@@ -0,0 +1,39 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { listCollections } from "@/lib/qdrant";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+export async function GET() {
+  try {
+    const collections = await Sentry.startSpan(
+      { op: "function", name: "api.qdrant.collections" },
+      async () => {
+        const all = await listCollections();
+        // Normalize shape for client
+        type QdrantCollection = {
+          name: string;
+          vectors_count?: number;
+          points_count?: number;
+        };
+        const list = (all as unknown as QdrantCollection[]).map((c) => ({
+          name: c.name,
+          vectors_count: c.vectors_count,
+          points_count: c.points_count,
+        }));
+        return list;
+      },
+    );
+
+    return json({ collections });
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    return json({ error: "Failed to list Qdrant collections", message }, { status: 500 });
+  }
+}

src/app/api/qdrant/points/route.ts

@@ -0,0 +1,50 @@
+import * as Sentry from "@sentry/nextjs";
+import { NextResponse } from "next/server";
+import { listPoints } from "@/lib/qdrant";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+function json<T>(data: T, init?: { status?: number } & ResponseInit) {
+  return NextResponse.json(data, init);
+}
+
+// GET /api/qdrant/points?collection=fortura-db&limit=100&offset=...&withVector=false
+export async function GET(req: Request) {
+  try {
+    const { searchParams } = new URL(req.url);
+    const collection = searchParams.get("collection") ?? undefined;
+    const limitParam = searchParams.get("limit");
+    const offsetParam = searchParams.get("offset");
+    const withVectorParam = searchParams.get("withVector");
+
+    if (!collection) {
+      return json({ error: "collection is required" }, { status: 400 });
+    }
+
+    const limit = Math.min(Math.max(Number(limitParam || 100) || 100, 1), 1000);
+    const withVector = withVectorParam === "true";
+
+    const result = await Sentry.startSpan(
+      { op: "function", name: "api.qdrant.points" },
+      async (span) => {
+        span.setAttribute("collection", collection);
+        span.setAttribute("limit", limit);
+        span.setAttribute("withVector", withVector);
+        const res = await listPoints({
+          collection,
+          limit,
+          offset: offsetParam,
+          withVector,
+        });
+        return res;
+      },
+    );
+
+    return json(result);
+  } catch (error: unknown) {
+    Sentry.captureException(error);
+    const message = error instanceof Error ? error.message : String(error);
+    return json({ error: "Failed to list Qdrant points", message }, { status: 500 });
+  }
+}

src/app/globals.css

@@ -44,74 +44,76 @@
 }
 
 :root {
-  --radius: 0.625rem;
+  --radius: 0.65rem;
   --background: oklch(1 0 0);
-  --foreground: oklch(0.129 0.042 264.695);
+  --foreground: oklch(0.145 0 0);
   --card: oklch(1 0 0);
-  --card-foreground: oklch(0.129 0.042 264.695);
+  --card-foreground: oklch(0.145 0 0);
   --popover: oklch(1 0 0);
-  --popover-foreground: oklch(0.129 0.042 264.695);
-  --primary: oklch(0.208 0.042 265.755);
-  --primary-foreground: oklch(0.984 0.003 247.858);
-  --secondary: oklch(0.968 0.007 247.896);
-  --secondary-foreground: oklch(0.208 0.042 265.755);
-  --muted: oklch(0.968 0.007 247.896);
-  --muted-foreground: oklch(0.554 0.046 257.417);
-  --accent: oklch(0.968 0.007 247.896);
-  --accent-foreground: oklch(0.208 0.042 265.755);
+  --popover-foreground: oklch(0.145 0 0);
+  --primary: oklch(0.205 0 0);
+  --primary-foreground: oklch(0.985 0 0);
+  --secondary: oklch(0.97 0 0);
+  --secondary-foreground: oklch(0.205 0 0);
+  --muted: oklch(0.97 0 0);
+  --muted-foreground: oklch(0.556 0 0);
+  --accent: oklch(0.97 0 0);
+  --accent-foreground: oklch(0.205 0 0);
   --destructive: oklch(0.577 0.245 27.325);
-  --border: oklch(0.929 0.013 255.508);
-  --input: oklch(0.929 0.013 255.508);
-  --ring: oklch(0.704 0.04 256.788);
+  --border: oklch(0.922 0 0);
+  --input: oklch(0.922 0 0);
+  --ring: oklch(0.708 0 0);
   --chart-1: oklch(0.646 0.222 41.116);
   --chart-2: oklch(0.6 0.118 184.704);
   --chart-3: oklch(0.398 0.07 227.392);
   --chart-4: oklch(0.828 0.189 84.429);
   --chart-5: oklch(0.769 0.188 70.08);
-  --sidebar: oklch(0.984 0.003 247.858);
-  --sidebar-foreground: oklch(0.129 0.042 264.695);
-  --sidebar-primary: oklch(0.208 0.042 265.755);
-  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
-  --sidebar-accent: oklch(0.968 0.007 247.896);
-  --sidebar-accent-foreground: oklch(0.208 0.042 265.755);
-  --sidebar-border: oklch(0.929 0.013 255.508);
-  --sidebar-ring: oklch(0.704 0.04 256.788);
+  --radius: 0.625rem;
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.145 0 0);
+  --sidebar-primary: oklch(0.205 0 0);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.97 0 0);
+  --sidebar-accent-foreground: oklch(0.205 0 0);
+  --sidebar-border: oklch(0.922 0 0);
+  --sidebar-ring: oklch(0.708 0 0);
 }
 
 .dark {
-  --background: oklch(0.129 0.042 264.695);
-  --foreground: oklch(0.984 0.003 247.858);
-  --card: oklch(0.208 0.042 265.755);
-  --card-foreground: oklch(0.984 0.003 247.858);
-  --popover: oklch(0.208 0.042 265.755);
-  --popover-foreground: oklch(0.984 0.003 247.858);
-  --primary: oklch(0.929 0.013 255.508);
-  --primary-foreground: oklch(0.208 0.042 265.755);
-  --secondary: oklch(0.279 0.041 260.031);
-  --secondary-foreground: oklch(0.984 0.003 247.858);
-  --muted: oklch(0.279 0.041 260.031);
-  --muted-foreground: oklch(0.704 0.04 256.788);
-  --accent: oklch(0.279 0.041 260.031);
-  --accent-foreground: oklch(0.984 0.003 247.858);
+  --background: oklch(0.145 0 0);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.205 0 0);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.205 0 0);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.922 0 0);
+  --primary-foreground: oklch(0.205 0 0);
+  --secondary: oklch(0.269 0 0);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.269 0 0);
+  --muted-foreground: oklch(0.708 0 0);
+  --accent: oklch(0.269 0 0);
+  --accent-foreground: oklch(0.985 0 0);
   --destructive: oklch(0.704 0.191 22.216);
   --border: oklch(1 0 0 / 10%);
   --input: oklch(1 0 0 / 15%);
-  --ring: oklch(0.551 0.027 264.364);
+  --ring: oklch(0.556 0 0);
   --chart-1: oklch(0.488 0.243 264.376);
   --chart-2: oklch(0.696 0.17 162.48);
   --chart-3: oklch(0.769 0.188 70.08);
   --chart-4: oklch(0.627 0.265 303.9);
   --chart-5: oklch(0.645 0.246 16.439);
-  --sidebar: oklch(0.208 0.042 265.755);
-  --sidebar-foreground: oklch(0.984 0.003 247.858);
+  --sidebar: oklch(0.205 0 0);
+  --sidebar-foreground: oklch(0.985 0 0);
   --sidebar-primary: oklch(0.488 0.243 264.376);
-  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
-  --sidebar-accent: oklch(0.279 0.041 260.031);
-  --sidebar-accent-foreground: oklch(0.984 0.003 247.858);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.269 0 0);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
   --sidebar-border: oklch(1 0 0 / 10%);
-  --sidebar-ring: oklch(0.551 0.027 264.364);
+  --sidebar-ring: oklch(0.556 0 0);
 }
 
+
 @layer base {
   * {
     @apply border-border outline-ring/50;

src/app/loading.tsx

@@ -0,0 +1,63 @@
+"use client";
+
+import Skeleton from "react-loading-skeleton";
+import "react-loading-skeleton/dist/skeleton.css";
+
+export default function Loading() {
+  return (
+    <div className="h-screen grid grid-cols-[280px_1fr]">
+      {/* Sidebar skeleton */}
+      <aside className="border-r h-full p-3 space-y-2">
+        <Skeleton height={24} width={120} />
+        <div className="space-y-2">
+          {Array.from({ length: 10 }).map((_, i) => (
+            <Skeleton key={i} height={28} />
+          ))}
+        </div>
+      </aside>
+
+      {/* Main skeleton */}
+      <main className="h-full flex flex-col">
+        <header className="border-b p-3">
+          <Skeleton height={20} width={300} />
+        </header>
+
+        <section className="p-3 flex items-center gap-2 border-b">
+          <div className="flex items-center gap-2 w-full">
+            <Skeleton height={36} width={320} />
+            <Skeleton height={36} width={90} />
+            <Skeleton height={36} width={100} />
+          </div>
+          <Skeleton height={36} width={90} />
+        </section>
+
+        <section className="p-3 flex-1 overflow-auto">
+          <div className="rounded-md border">
+            <div className="grid grid-cols-4 gap-2 px-3 py-2 border-b">
+              <Skeleton height={16} />
+              <Skeleton height={16} />
+              <Skeleton height={16} />
+              <Skeleton height={16} />
+            </div>
+            <div className="p-3 space-y-2">
+              {Array.from({ length: 12 }).map((_, i) => (
+                <div
+                  key={i}
+                  className="grid grid-cols-4 items-center gap-2 py-2 border-b last:border-b-0"
+                >
+                  <Skeleton height={16} />
+                  <Skeleton height={16} />
+                  <Skeleton height={16} />
+                  <div className="flex justify-end gap-2">
+                    <Skeleton height={28} width={28} circle />
+                    <Skeleton height={28} width={28} circle />
+                  </div>
+                </div>
+              ))}
+            </div>
+          </div>
+        </section>
+      </main>
+    </div>
+  );
+}

src/app/page.tsx

@@ -7,8 +7,12 @@ import { FileTable, type FileRow } from "@/components/files/file-table";
 import { UploadDialog } from "@/components/files/upload-dialog";
 import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
-import { useQuery } from "@tanstack/react-query";
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import { Checkbox } from "@/components/ui/checkbox";
+import { Dialog, DialogContent, DialogHeader, DialogTitle } from "@/components/ui/dialog";
+import { MarkdownEditor } from "@/components/editor/markdown-editor";
+import { toast } from "sonner";
+import { TagsDialog } from "@/components/files/tags-dialog";
 
 type FilesListResponse = {
   total: number;
@@ -68,6 +72,7 @@ async function executeSearch(q: string, semantic: boolean, page: number, perPage
 }
 
 export default function Home() {
+  const queryClient = useQueryClient();
   const [path, setPath] = React.useState<string | undefined>(undefined);
   const [page, setPage] = React.useState(1);
   const [perPage] = React.useState(50);
@@ -76,6 +81,12 @@ export default function Home() {
   const [semantic, setSemantic] = React.useState(false);
   const searching = q.trim().length > 0;
 
+  // Editor state
+  const [editPath, setEditPath] = React.useState<string | null>(null);
+
+  // Tags dialog state
+  const [tagsPath, setTagsPath] = React.useState<string | null>(null);
+
   const filesQuery = useQuery({
     queryKey: ["files", path, page, perPage],
     queryFn: () => fetchFiles(path, page, perPage),
@@ -125,6 +136,105 @@ export default function Home() {
     handleDownload(item);
   }
 
+  function handleEdit(item: FileRow) {
+    setEditPath(item.path);
+  }
+
+  async function postJSON(url: string, body: unknown) {
+    const res = await fetch(url, {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify(body),
+    });
+    if (!res.ok) {
+      const payload = await res.json().catch(() => ({}));
+      throw new Error(payload?.message || `Request failed (${res.status})`);
+    }
+    return res.json();
+  }
+
+  // Optimistic delete mutation
+  const deleteMutation = useMutation({
+    mutationFn: async (file: FileRow) => {
+      return postJSON("/api/files/delete", { path: file.path });
+    },
+    onMutate: async (file: FileRow) => {
+      // Cancel any outgoing refetches (so they don't overwrite our optimistic update)
+      await queryClient.cancelQueries({ queryKey: ["files", path, page, perPage] });
+      // Snapshot previous value
+      const prev = queryClient.getQueryData(["files", path, page, perPage]) as
+        | { total: number; page: number; perPage: number; items: FileRow[] }
+        | undefined;
+
+      if (prev) {
+        // Optimistically remove the item
+        const nextItems = prev.items.filter((x) => x.id !== file.id);
+        queryClient.setQueryData(["files", path, page, perPage], {
+          ...prev,
+          total: Math.max(0, (prev.total ?? nextItems.length) - 1),
+          items: nextItems,
+        });
+      }
+
+      return { prev };
+    },
+    onError: (error, _file, ctx) => {
+      if (ctx?.prev) {
+        queryClient.setQueryData(["files", path, page, perPage], ctx.prev);
+      }
+      const message = error instanceof Error ? error.message : String(error);
+      toast.error(message);
+    },
+    onSuccess: () => {
+      toast.success("Deleted");
+    },
+    onSettled: () => {
+      queryClient.invalidateQueries({ queryKey: ["files", path, page, perPage] });
+    },
+  });
+
+  async function handleRename(item: FileRow) {
+    const newName = window.prompt("New name (or full destination path):", item.name);
+    if (!newName) return;
+    const to =
+      newName.startsWith("/")
+        ? newName
+        : `${item.parentPath ?? ""}/${newName}`.replace(/\/+/g, "/");
+    try {
+      await postJSON("/api/files/rename", { from: item.path, to });
+      toast.success("Renamed");
+      if (!searching) filesQuery.refetch();
+    } catch (err) {
+      toast.error(err instanceof Error ? err.message : String(err));
+    }
+  }
+
+  async function handleCopy(item: FileRow) {
+    const newPath = window.prompt("Copy to path (absolute or name in same folder):", `${item.parentPath ?? ""}/${item.name}`);
+    if (!newPath) return;
+    const to =
+      newPath.startsWith("/")
+        ? newPath
+        : `${item.parentPath ?? ""}/${newPath}`.replace(/\/+/g, "/");
+    try {
+      await postJSON("/api/files/copy", { from: item.path, to });
+      toast.success("Copied");
+      if (!searching) filesQuery.refetch();
+    } catch (err) {
+      toast.error(err instanceof Error ? err.message : String(err));
+    }
+  }
+
+  async function handleDelete(item: FileRow) {
+    const yes = window.confirm(`Delete "${item.name}"? This cannot be undone.`);
+    if (!yes) return;
+    await deleteMutation.mutateAsync(item);
+  }
+
+  function handleTags(item: FileRow) {
+    setTagsPath(item.path);
+  }
+
   function handleUploaded() {
     if (!searching) {
       filesQuery.refetch();
@@ -181,9 +291,42 @@ export default function Home() {
                 : `Found ${searchQuery.data?.total ?? 0} in ${searchQuery.data?.tookMs ?? 0}ms`}
             </div>
           ) : null}
-          <FileTable items={files} onOpen={handleOpen} onDownload={handleDownload} />
+          <FileTable
+            items={files}
+            onOpen={handleOpen}
+            onDownload={handleDownload}
+            onEdit={handleEdit}
+            onRename={handleRename}
+            onCopy={handleCopy}
+            onDelete={handleDelete}
+            onTags={handleTags}
+          />
         </section>
       </main>
+
+      {/* Editor dialog */}
+      <Dialog open={!!editPath} onOpenChange={(v) => !v && setEditPath(null)}>
+        <DialogContent className="max-w-4xl h-[80vh]">
+          <DialogHeader>
+            <DialogTitle>Markdown Editor</DialogTitle>
+          </DialogHeader>
+          <div className="h-[calc(80vh-60px)]">
+            {editPath ? <MarkdownEditor path={editPath} /> : null}
+          </div>
+        </DialogContent>
+      </Dialog>
+
+      {/* Tags dialog */}
+      <TagsDialog
+        path={tagsPath ?? ""}
+        open={!!tagsPath}
+        onOpenChange={(v) => !v && setTagsPath(null)}
+        initialTags={[]}
+        onSaved={() => {
+          // Optionally refresh file list to reflect updated tags when surface supports it
+          if (!searching) filesQuery.refetch();
+        }}
+      />
     </div>
   );
 }

src/app/qdrant/page.tsx

@@ -0,0 +1,234 @@
+"use client";
+
+import * as React from "react";
+import { useQuery } from "@tanstack/react-query";
+import { Input } from "@/components/ui/input";
+import { Button } from "@/components/ui/button";
+import { ScrollArea } from "@/components/ui/scroll-area";
+
+type CollectionRow = {
+  name: string;
+  vectors_count?: number;
+  points_count?: number;
+};
+
+type CollectionsResponse = {
+  collections: CollectionRow[];
+};
+
+type ScrollPoint = {
+  id: string | number;
+  payload?: Record<string, unknown>;
+  vector?: number[] | Record<string, number>;
+};
+
+type PointsResponse = {
+  points: ScrollPoint[];
+  next_page_offset?: string | number | null;
+};
+
+async function fetchCollections() {
+  const res = await fetch("/api/qdrant/collections", { cache: "no-store" });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to load collections (${res.status})`);
+  }
+  return (await res.json()) as CollectionsResponse;
+}
+
+async function fetchPoints(collection: string, limit: number, offset?: string | number | null, withVector = false) {
+  const url = new URL("/api/qdrant/points", window.location.origin);
+  url.searchParams.set("collection", collection);
+  url.searchParams.set("limit", String(limit));
+  if (offset != null) url.searchParams.set("offset", String(offset));
+  url.searchParams.set("withVector", String(withVector));
+  const res = await fetch(url.toString(), { cache: "no-store" });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to load points (${res.status})`);
+  }
+  return (await res.json()) as PointsResponse;
+}
+
+export default function QdrantPage() {
+  const [selected, setSelected] = React.useState<string | null>(null);
+  const [limit, setLimit] = React.useState(100);
+  const [withVector, setWithVector] = React.useState(false);
+  const [offset, setOffset] = React.useState<string | number | null>(null);
+
+  const collectionsQuery = useQuery({
+    queryKey: ["qdrant-collections"],
+    queryFn: fetchCollections,
+  });
+
+  React.useEffect(() => {
+    const names = collectionsQuery.data?.collections?.map((c) => c.name) ?? [];
+    if (!selected && names.length > 0) {
+      // Prefer fortura-db, then miguel_responses, then first
+      const preferred =
+        names.find((n) => n === "fortura-db") ||
+        names.find((n) => n === "miguel_responses") ||
+        names[0];
+      setSelected(preferred);
+    }
+  }, [collectionsQuery.data, selected]);
+
+  const pointsQuery = useQuery({
+    queryKey: ["qdrant-points", selected, limit, offset, withVector],
+    queryFn: () => fetchPoints(selected!, limit, offset, withVector),
+    enabled: !!selected,
+  });
+
+  function pretty(v: unknown) {
+    try {
+      return JSON.stringify(v, null, 2);
+    } catch {
+      return String(v);
+    }
+  }
+
+  return (
+    <div className="h-screen flex flex-col">
+      <header className="border-b p-3">
+        <h1 className="text-lg font-semibold">Qdrant Collections</h1>
+      </header>
+      <div className="flex-1 grid grid-cols-[320px_1fr]">
+        <aside className="border-r p-3">
+          <div className="text-sm font-medium mb-2">Collections</div>
+          <div className="space-y-1">
+            {collectionsQuery.isLoading && <div className="text-xs text-muted-foreground">Loading…</div>}
+            {collectionsQuery.error && (
+              <div className="text-xs text-destructive">
+                {(collectionsQuery.error as Error).message}
+              </div>
+            )}
+            {collectionsQuery.data?.collections?.map((c) => (
+              <button
+                key={c.name}
+                className={`w-full text-left px-2 py-1 rounded hover:bg-accent ${
+                  selected === c.name ? "bg-accent" : ""
+                }`}
+                onClick={() => {
+                  setSelected(c.name);
+                  setOffset(null);
+                }}
+                title={`${c.points_count ?? 0} pts`}
+              >
+                <div className="font-medium">{c.name}</div>
+                <div className="text-xs text-muted-foreground">
+                  pts: {c.points_count ?? "—"} vec: {c.vectors_count ?? "—"}
+                </div>
+              </button>
+            ))}
+            {collectionsQuery.data && collectionsQuery.data.collections.length === 0 && (
+              <div className="text-xs text-muted-foreground">No collections</div>
+            )}
+          </div>
+        </aside>
+
+        <main className="p-3 flex flex-col">
+          <div className="flex items-center gap-2 mb-3">
+            <div className="text-sm">Collection:</div>
+            <Input
+              value={selected ?? ""}
+              onChange={(e) => {
+                setSelected(e.target.value || null);
+                setOffset(null);
+              }}
+              placeholder="collection name"
+              className="max-w-xs"
+            />
+            <div className="flex items-center gap-2">
+              <div className="text-sm">Limit</div>
+              <Input
+                type="number"
+                value={limit}
+                onChange={(e) => setLimit(Math.max(1, Math.min(1000, Number(e.target.value) || 100)))}
+                className="w-24"
+              />
+            </div>
+            <Button
+              variant={withVector ? "default" : "outline"}
+              onClick={() => setWithVector((v) => !v)}
+            >
+              {withVector ? "Vectors: on" : "Vectors: off"}
+            </Button>
+            <Button
+              variant="secondary"
+              onClick={() => {
+                setOffset(null);
+                pointsQuery.refetch();
+              }}
+              disabled={!selected || pointsQuery.isFetching}
+            >
+              {pointsQuery.isFetching ? "Loading…" : "Refresh"}
+            </Button>
+          </div>
+
+          <div className="flex-1 grid grid-cols-2 gap-3">
+            {/* Points list */}
+            <div className="border rounded flex flex-col">
+              <div className="border-b px-3 py-2 text-sm font-medium">Points</div>
+              <ScrollArea className="flex-1">
+                <div className="p-3 space-y-3">
+                  {pointsQuery.isLoading && <div className="text-xs text-muted-foreground">Loading…</div>}
+                  {pointsQuery.error && (
+                    <div className="text-xs text-destructive">
+                      {(pointsQuery.error as Error).message}
+                    </div>
+                  )}
+                  {(pointsQuery.data?.points ?? []).map((p, idx) => (
+                    <div key={`${p.id}-${idx}`} className="p-2 rounded border">
+                      <div className="text-xs font-mono">id: {String(p.id)}</div>
+                      <pre className="text-xs overflow-auto mt-1">
+                        {pretty(p.payload)}
+                      </pre>
+                      {withVector && p.vector && (
+                        <pre className="text-[10px] overflow-auto mt-1 text-muted-foreground">
+                          {Array.isArray(p.vector) ? `[${p.vector.slice(0, 8).join(", ")} …]` : pretty(p.vector)}
+                        </pre>
+                      )}
+                    </div>
+                  ))}
+                  {(pointsQuery.data?.points ?? []).length === 0 && !pointsQuery.isLoading && !pointsQuery.error && (
+                    <div className="text-xs text-muted-foreground">No points</div>
+                  )}
+                </div>
+              </ScrollArea>
+              <div className="border-t p-2 flex items-center justify-between">
+                <div className="text-xs text-muted-foreground">
+                  Offset: {pointsQuery.data?.next_page_offset != null ? String(pointsQuery.data.next_page_offset) : "—"}
+                </div>
+                <div className="flex items-center gap-2">
+                  <Button
+                    size="sm"
+                    variant="outline"
+                    onClick={() => setOffset(null)}
+                    disabled={!selected || pointsQuery.isFetching}
+                  >
+                    Reset
+                  </Button>
+                  <Button
+                    size="sm"
+                    onClick={() => setOffset(pointsQuery.data?.next_page_offset ?? null)}
+                    disabled={!selected || pointsQuery.isFetching || !pointsQuery.data?.next_page_offset}
+                  >
+                    Next
+                  </Button>
+                </div>
+              </div>
+            </div>
+
+            {/* Placeholder for scatter/UMAP visualization (follow-up) */}
+            <div className="border rounded p-3">
+              <div className="text-sm font-medium mb-2">Embedding Visualization</div>
+              <div className="text-xs text-muted-foreground">
+                UMAP + deck.gl scatter will render here after vectors are pulled. Toggle “Vectors: on” to include vectors in queries.
+              </div>
+            </div>
+          </div>
+        </main>
+      </div>
+    </div>
+  );
+}

src/components/editor/markdown-editor.tsx

@@ -0,0 +1,103 @@
+"use client";
+
+import * as React from "react";
+import { useQuery, useMutation } from "@tanstack/react-query";
+import CodeMirror from "@uiw/react-codemirror";
+import { markdown } from "@codemirror/lang-markdown";
+import { Button } from "@/components/ui/button";
+import { toast } from "sonner";
+
+type Props = {
+  path: string;
+};
+
+async function fetchContent(path: string) {
+  const url = new URL("/api/files/content", window.location.origin);
+  url.searchParams.set("path", path);
+  const res = await fetch(url.toString(), { cache: "no-store" });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to load content (${res.status})`);
+  }
+  return (await res.json()) as { ok: boolean; content?: string; mimeType?: string };
+}
+
+async function saveContent(path: string, content: string, mimeType?: string) {
+  const res = await fetch("/api/files/content", {
+    method: "PUT",
+    headers: { "content-type": "application/json" },
+    body: JSON.stringify({ path, content, mimeType: mimeType || "text/markdown" }),
+  });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to save content (${res.status})`);
+  }
+  return (await res.json()) as { ok: boolean; etag?: string };
+}
+
+export function MarkdownEditor({ path }: Props) {
+  const [value, setValue] = React.useState("");
+  const [dirty, setDirty] = React.useState(false);
+
+  const query = useQuery({
+    queryKey: ["file-content", path],
+    queryFn: () => fetchContent(path),
+    refetchOnWindowFocus: false,
+  });
+
+  React.useEffect(() => {
+    if (query.data?.content != null) {
+      setValue(query.data.content);
+      setDirty(false);
+    }
+  }, [query.data?.content]);
+
+  const mutation = useMutation({
+    mutationFn: (payload: { content: string; mimeType?: string }) =>
+      saveContent(path, payload.content, payload.mimeType),
+    onSuccess: () => {
+      toast.success("Saved");
+      setDirty(false);
+    },
+    onError: (err: unknown) => {
+      toast.error(err instanceof Error ? err.message : String(err));
+    },
+  });
+
+  return (
+    <div className="flex flex-col h-full">
+      <div className="flex items-center justify-between gap-2 border-b px-3 py-2">
+        <div className="text-sm text-muted-foreground truncate">Editing: <code>{path}</code></div>
+        <div className="flex items-center gap-2">
+          <Button
+            variant="secondary"
+            size="sm"
+            onClick={() => query.refetch()}
+            disabled={query.isFetching}
+          >
+            {query.isFetching ? "Refreshing..." : "Refresh"}
+          </Button>
+          <Button
+            size="sm"
+            onClick={() => mutation.mutate({ content: value, mimeType: query.data?.mimeType || "text/markdown" })}
+            disabled={mutation.isPending || !dirty}
+          >
+            {mutation.isPending ? "Saving..." : "Save"}
+          </Button>
+        </div>
+      </div>
+      <div className="flex-1 overflow-auto">
+        <CodeMirror
+          value={value}
+          height="calc(100vh - 140px)"
+          extensions={[markdown()]}
+          onChange={(v) => {
+            setValue(v);
+            setDirty(true);
+          }}
+          theme="dark"
+        />
+      </div>
+    </div>
+  );
+}

src/components/files/file-row-actions.tsx

@@ -0,0 +1,67 @@
+"use client";
+
+import * as React from "react";
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+} from "@/components/ui/dropdown-menu";
+import { MoreHorizontal, Pencil, Copy, Trash2, Download, MoveRight, Tag } from "lucide-react";
+
+export type FileRowActionHandlers = {
+  onEdit?: () => void;
+  onDownload?: () => void;
+  onRename?: () => void;
+  onCopy?: () => void;
+  onDelete?: () => void;
+  onTags?: () => void;
+};
+
+export function FileRowActions({
+  onEdit,
+  onDownload,
+  onRename,
+  onCopy,
+  onDelete,
+  onTags,
+}: FileRowActionHandlers) {
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button variant="ghost" size="sm" aria-label="Actions">
+          <MoreHorizontal className="h-4 w-4" />
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end" className="w-40">
+        <DropdownMenuItem onClick={onEdit}>
+          <Pencil className="mr-2 h-4 w-4" />
+          Edit
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={onDownload}>
+          <Download className="mr-2 h-4 w-4" />
+          Download
+        </DropdownMenuItem>
+        <DropdownMenuSeparator />
+        <DropdownMenuItem onClick={onRename}>
+          <MoveRight className="mr-2 h-4 w-4" />
+          Rename / Move
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={onTags}>
+          <Tag className="mr-2 h-4 w-4" />
+          Tags
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={onCopy}>
+          <Copy className="mr-2 h-4 w-4" />
+          Copy
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={onDelete} className="text-destructive">
+          <Trash2 className="mr-2 h-4 w-4" />
+          Delete
+        </DropdownMenuItem>
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}

src/components/files/file-table.tsx

@@ -4,6 +4,7 @@ import * as React from "react";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
 import { Button } from "@/components/ui/button";
 import { Download } from "lucide-react";
+import { FileRowActions } from "@/components/files/file-row-actions";
 
 export interface FileRow {
   id: string;
@@ -28,10 +29,20 @@ export function FileTable({
   items,
   onOpen,
   onDownload,
+  onEdit,
+  onRename,
+  onCopy,
+  onDelete,
+  onTags,
 }: {
   items: FileRow[];
   onOpen?: (item: FileRow) => void;
   onDownload?: (item: FileRow) => void;
+  onEdit?: (item: FileRow) => void;
+  onRename?: (item: FileRow) => void;
+  onCopy?: (item: FileRow) => void;
+  onDelete?: (item: FileRow) => void;
+  onTags?: (item: FileRow) => void;
 }) {
   return (
     <div className="rounded-md border">
@@ -59,14 +70,24 @@ export function FileTable({
               <TableCell className="hidden sm:table-cell">{it.mimeType}</TableCell>
               <TableCell className="hidden sm:table-cell text-right">{formatBytes(it.sizeBytes)}</TableCell>
               <TableCell className="text-right">
-                <Button
-                  variant="ghost"
-                  size="sm"
-                  onClick={() => onDownload?.(it)}
-                  title="Download"
-                >
-                  <Download className="h-4 w-4" />
-                </Button>
+                <div className="flex justify-end gap-1">
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    onClick={() => onDownload?.(it)}
+                    title="Download"
+                  >
+                    <Download className="h-4 w-4" />
+                  </Button>
+                  <FileRowActions
+                    onEdit={() => onEdit?.(it)}
+                    onDownload={() => onDownload?.(it)}
+                    onRename={() => onRename?.(it)}
+                    onCopy={() => onCopy?.(it)}
+                    onDelete={() => onDelete?.(it)}
+                    onTags={() => onTags?.(it)}
+                  />
+                </div>
               </TableCell>
             </TableRow>
           ))}

src/components/files/tags-dialog.tsx

@@ -0,0 +1,154 @@
+"use client";
+
+import * as React from "react";
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Badge } from "@/components/ui/badge";
+import { toast } from "sonner";
+
+export function parseTags(input: string): string[] {
+  return input
+    .split(",")
+    .map((s) => s.trim())
+    .filter((s) => s.length > 0);
+}
+
+async function fetchHistory(path: string, size = 50) {
+  const url = new URL("/api/files/tags/history", window.location.origin);
+  url.searchParams.set("path", path);
+  url.searchParams.set("size", String(size));
+  const res = await fetch(url.toString(), { cache: "no-store" });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to load tag history (${res.status})`);
+  }
+  return (await res.json()) as { total: number; items: Array<{ id?: string; to?: string[]; at?: string }> };
+}
+
+async function saveTags(path: string, tags: string[]) {
+  const res = await fetch("/api/files/tags", {
+    method: "POST",
+    headers: { "content-type": "application/json" },
+    body: JSON.stringify({ path, tags }),
+  });
+  if (!res.ok) {
+    const payload = await res.json().catch(() => ({}));
+    throw new Error(payload?.message || `Failed to save tags (${res.status})`);
+  }
+  return (await res.json()) as { ok: boolean; tags: string[] };
+}
+
+export function TagsDialog({
+  path,
+  open,
+  onOpenChange,
+  initialTags,
+  onSaved,
+}: {
+  path: string;
+  open: boolean;
+  onOpenChange: (v: boolean) => void;
+  initialTags?: string[];
+  onSaved?: (tags: string[]) => void;
+}) {
+  const [value, setValue] = React.useState((initialTags ?? []).join(", "));
+
+  React.useEffect(() => {
+    setValue((initialTags ?? []).join(", "));
+  }, [initialTags, path]);
+
+  const historyQuery = useQuery({
+    queryKey: ["tags-history", path],
+    queryFn: () => fetchHistory(path),
+    enabled: open && !!path,
+  });
+
+  const mutation = useMutation({
+    mutationFn: (tags: string[]) => saveTags(path, tags),
+    onSuccess: (data) => {
+      toast.success("Tags saved");
+      onSaved?.(data.tags);
+      onOpenChange(false);
+    },
+    onError: (err: unknown) => toast.error(err instanceof Error ? err.message : String(err)),
+  });
+
+  const currentTags = parseTags(value);
+
+  return (
+    <Dialog open={open} onOpenChange={(v) => !mutation.isPending && onOpenChange(v)}>
+      <DialogContent className="sm:max-w-lg">
+        <DialogHeader>
+          <DialogTitle>Tags</DialogTitle>
+          <div className="text-xs text-muted-foreground break-all mt-1">
+            File: <code>{path}</code>
+          </div>
+        </DialogHeader>
+
+        <div className="space-y-3">
+          <div>
+            <label className="text-sm font-medium">Edit tags (comma-separated)</label>
+            <Input
+              value={value}
+              onChange={(e) => setValue(e.target.value)}
+              placeholder="tag1, tag2, tag3"
+              disabled={mutation.isPending}
+            />
+            <div className="flex flex-wrap gap-2 mt-2">
+              {currentTags.map((t) => (
+                <Badge key={t} variant="secondary">{t}</Badge>
+              ))}
+              {currentTags.length === 0 && (
+                <div className="text-xs text-muted-foreground">No tags</div>
+              )}
+            </div>
+          </div>
+
+          <div>
+            <div className="text-sm font-medium mb-1">History</div>
+            <div className="max-h-48 overflow-auto border rounded p-2 text-sm">
+              {historyQuery.isLoading && <div className="text-muted-foreground">Loading history…</div>}
+              {historyQuery.error && (
+                <div className="text-destructive">
+                  {(historyQuery.error as Error).message}
+                </div>
+              )}
+              {!historyQuery.isLoading && !historyQuery.error && (
+                <ul className="space-y-1">
+                  {(historyQuery.data?.items ?? []).map((ev, idx) => (
+                    <li key={ev.id ?? idx} className="flex items-center gap-2">
+                      <span className="text-xs text-muted-foreground">{ev.at ? new Date(ev.at).toLocaleString() : ""}</span>
+                      <span>→</span>
+                      <span className="flex flex-wrap gap-1">
+                        {(ev.to ?? []).map((t) => (
+                          <Badge key={t} variant="outline">{t}</Badge>
+                        ))}
+                        {(ev.to ?? []).length === 0 && (
+                          <span className="text-xs text-muted-foreground">[]</span>
+                        )}
+                      </span>
+                    </li>
+                  ))}
+                  {(historyQuery.data?.items ?? []).length === 0 && (
+                    <li className="text-xs text-muted-foreground">No history yet</li>
+                  )}
+                </ul>
+              )}
+            </div>
+          </div>
+        </div>
+
+        <DialogFooter>
+          <Button variant="outline" onClick={() => onOpenChange(false)} disabled={mutation.isPending}>
+            Close
+          </Button>
+          <Button onClick={() => mutation.mutate(currentTags)} disabled={mutation.isPending}>
+            {mutation.isPending ? "Saving…" : "Save"}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

src/lib/env.ts

@@ -67,6 +67,10 @@ const EnvSchema = z.object({
   OPENAI_EMBEDDING_MODEL: optionalString,
   EMBEDDING_DIM: numberFromEnv, // e.g., 1536
 
+  // Qdrant (optional)
+  QDRANT_URL: optionalUrl,
+  QDRANT_API_KEY: optionalString,
+
   // Sentry (optional)
   SENTRY_DSN: optionalUrl,
 });

src/lib/qdrant.ts

@@ -0,0 +1,42 @@
+import { QdrantClient } from "@qdrant/qdrant-js";
+import { env } from "@/lib/env";
+
+let _client: QdrantClient | null = null;
+
+export function getQdrantClient() {
+  if (_client) return _client;
+  if (!env.QDRANT_URL) {
+    throw new Error("QDRANT_URL not configured");
+  }
+  _client = new QdrantClient({
+    url: env.QDRANT_URL,
+    apiKey: env.QDRANT_API_KEY,
+  });
+  return _client;
+}
+
+export async function listCollections() {
+  const client = getQdrantClient();
+  const res = await client.getCollections();
+  // Shape: { collections: [{ name, vectors_count, points_count, config: { params }, ... }] }
+  return res.collections ?? [];
+}
+
+export type ListPointsOpts = {
+  collection: string;
+  limit?: number;
+  offset?: string | number | null;
+  withVector?: boolean;
+};
+
+export async function listPoints(opts: ListPointsOpts) {
+  const client = getQdrantClient();
+  const limit = opts.limit ?? 100;
+  const res = await client.scroll(opts.collection, {
+    limit,
+    with_payload: true,
+    with_vector: !!opts.withVector,
+    offset: opts.offset ?? undefined,
+  });
+  return res; // { points: [{ id, payload, vector }], next_page_offset? }
+}

src/lib/webdav.ts

@@ -178,6 +178,88 @@ export class NextcloudClient {
       },
     );
   }
+
+  async moveFile(from: string, to: string): Promise<{ ok: boolean; from: string; to: string }> {
+    return Sentry.startSpan(
+      { op: "http.client", name: "WebDAV MOVE moveFile" },
+      async (span) => {
+        const src = this.resolve(from);
+        const dst = this.resolve(to);
+        span.setAttribute("path_from", src);
+        span.setAttribute("path_to", dst);
+        const client = getClient();
+        await client.moveFile(src, dst, { overwrite: true });
+        return { ok: true, from: src, to: dst };
+      },
+    );
+  }
+
+  async copyFile(from: string, to: string): Promise<{ ok: boolean; from: string; to: string }> {
+    return Sentry.startSpan(
+      { op: "http.client", name: "WebDAV COPY copyFile" },
+      async (span) => {
+        const src = this.resolve(from);
+        const dst = this.resolve(to);
+        span.setAttribute("path_from", src);
+        span.setAttribute("path_to", dst);
+        const client = getClient();
+        await client.copyFile(src, dst, { overwrite: true });
+        return { ok: true, from: src, to: dst };
+      },
+    );
+  }
+
+  async deletePath(path: string): Promise<{ ok: boolean }> {
+    return Sentry.startSpan(
+      { op: "http.client", name: "WebDAV DELETE deletePath" },
+      async (span) => {
+        const target = this.resolve(path);
+        span.setAttribute("path", target);
+        const client = getClient();
+        try {
+          // Determine if directory or file for the correct delete call
+          const s = (await client.stat(target)) as FileStat;
+          if (s.type === "directory") {
+            await client.deleteFile(target); // webdav client uses deleteFile for both in many versions
+          } else {
+            await client.deleteFile(target);
+          }
+          return { ok: true };
+        } catch (err) {
+          Sentry.captureException(err);
+          throw err;
+        }
+      },
+    );
+  }
+
+  async readText(path: string): Promise<{ ok: boolean; content?: string; mimeType?: string }> {
+    return Sentry.startSpan(
+      { op: "http.client", name: "WebDAV GET readText" },
+      async (span) => {
+        const target = this.resolve(path);
+        span.setAttribute("path", target);
+        const client = getClient();
+        const text = (await client.getFileContents(target, { format: "text" })) as unknown as string;
+        const s = await this.stat(target);
+        return { ok: true, content: text, mimeType: s?.contentType || "text/plain" };
+      },
+    );
+  }
+
+  async writeText(path: string, content: string, mimeType?: string): Promise<{ ok: boolean; etag?: string }> {
+    return Sentry.startSpan(
+      { op: "http.client", name: "WebDAV PUT writeText" },
+      async (span) => {
+        const target = this.resolve(path);
+        span.setAttribute("path", target);
+        if (mimeType) span.setAttribute("contentType", mimeType);
+        const client = getClient();
+        await client.putFileContents(target, content, { overwrite: true });
+        return { ok: true };
+      },
+    );
+  }
 }
 
 export const nextcloud = new NextcloudClient();

src/types/files.ts

@@ -47,3 +47,41 @@ export interface WebDavEntry {
   contentType?: string;
   props?: Record<string, unknown>;
 }
+
+/**
+ * Additional payloads for CRUD and tagging flows
+ */
+export interface RenamePayload {
+  from: string; // PathId
+  to: string;   // PathId
+}
+
+export interface CopyPayload {
+  from: string; // PathId
+  to: string;   // PathId
+}
+
+export interface DeletePayload {
+  path: string; // PathId
+}
+
+export interface FileContent {
+  path: string;      // PathId
+  content: string;   // UTF-8 text
+  mimeType?: string; // default text/markdown
+}
+
+export interface TagUpdatePayload {
+  path: string;   // PathId
+  tags: string[];
+}
+
+export interface TagHistoryEvent {
+  id: string;               // uuid
+  path: string;             // PathId at time of change
+  actor?: string;           // principal (NEXTCLOUD_USERNAME)
+  action: "tags.update";
+  from?: string[];          // previous tags
+  to: string[];             // new tags
+  at: string;               // ISO timestamp
+}