Merge pull request #11 from velocitatem/claude/improve-docs-preview-94gyn

Add PDF preview and DOCX upload to version branches

README.md

@@ -105,9 +105,9 @@ flowchart LR
 | Variable | Description | Default |
 |----------|-------------|---------|
 | `API_BASE_URL` | Backend host consumed by the webapp build + runtime. | `http://cvfs-backend:8080` in Docker |
-| `NEXT_PUBLIC_BASE_URL` | Public origin for web routes. | `https://cv.alves.world` |
+| `NEXT_PUBLIC_BASE_URL` | Public origin for web routes. | — |
 | `AUTHENTIK_*` / `AUTH_OIDC_*` | OIDC issuer, audience, and client credentials. | required |
-| `MINIO_ENDPOINT` / `MINIO_BUCKET` | Object storage endpoint + bucket for artifacts. | `https://storage.cv.alves.world` / `resume-branches` |
+| `MINIO_ENDPOINT` / `MINIO_BUCKET` | Object storage endpoint + bucket for artifacts. | — |
 | `REDIS_URL` | Celery broker/result backend. | `redis://cvfs-redis:6379/0` |
 | `DATABASE_URL` | SQLAlchemy DSN for Postgres. | `postgresql+asyncpg://postgres:postgres@cvfs-postgres:5432/resume_branches` |
 | `ANTHROPIC_API_KEY` | Enables AI tailoring jobs. | unset |
@@ -148,7 +148,7 @@ Use `bun x nx affected -t lint,test,build` before PRs to run fine-grained checks
 
 ## Deployment notes
 - **Docker images:** `docker/backend-fastapi.Dockerfile`, `docker/webapp.Dockerfile`, and `docker/worker.Dockerfile` bake env args for Dokploy. The web build now receives `API_BASE_URL` so rewrites point at the deployed backend.
-- **Dokploy:** see `docs/resume-branches/dokploy.md` for the API payload that provisions `cvfs-backend`, `cvfs-webapp`, Redis, Postgres, and MinIO on `cv.alves.world` / `api.cv.alves.world`.
+- **Dokploy:** see `docs/resume-branches/dokploy.md` for the API payload that provisions `cvfs-backend`, `cvfs-webapp`, Redis, Postgres, and MinIO.
 - **Storage:** `make lift.minio` mirrors the production bucket layout. Set `MINIO_ROOT_USER/MINIO_ROOT_PASSWORD` for parity. Public artifacts should only be published via the API to guarantee immutability + audit logging.
 
 ## Limitations & next steps

apps/backend/fastapi/app/api/routes/documents.py

@@ -6,7 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.api.deps import get_current_user, get_db
 from app.core.config import get_settings
-from app.schemas import DocumentListResponse, DocumentResponse
+from app.schemas import DocumentListResponse, DocumentResponse, VersionResponse
 from app.services.documents import (
     create_document,
     delete_document,
@@ -14,8 +14,9 @@ from app.services.documents import (
     list_documents,
 )
 from app.services.storage import storage_client
+from app.services.versions import upload_docx_to_version
 from dlib.auth import AuthenticatedUser
-from dlib.cv import generate_patched_docx
+from dlib.cv import docx_bytes_to_pdf, generate_patched_docx
 
 
 router = APIRouter(prefix="/documents", tags=["documents"])
@@ -66,6 +67,50 @@ async def download_version_docx(
     )
 
 
+@router.get("/{document_id}/versions/{version_id}/preview")
+async def preview_version_pdf(
+    document_id: str,
+    version_id: str,
+    session: AsyncSession = Depends(get_db),
+    user: AuthenticatedUser = Depends(get_current_user),
+):
+    document = await get_document(session, owner_id=user.sub, document_id=document_id)
+    if not document:
+        raise HTTPException(status_code=404, detail="Document not found")
+    version = next((v for v in document.versions if v.id == version_id), None)
+    if not version or not version.artifact_docx_key:
+        raise HTTPException(status_code=404, detail="Version artifact not found")
+    original = storage_client.download_bytes(key=version.artifact_docx_key)
+    patched = generate_patched_docx(original, version.structured_blocks or [])
+    pdf = docx_bytes_to_pdf(patched)
+    slug = f"{document.title.replace(' ', '-')}-{version.branch_name}"
+    return Response(
+        content=pdf,
+        media_type="application/pdf",
+        headers={"Content-Disposition": f'inline; filename="{slug}.pdf"'},
+    )
+
+
+@router.post("/{document_id}/versions/{version_id}/upload", response_model=VersionResponse)
+async def upload_docx_to_branch(
+    document_id: str,
+    version_id: str,
+    file: UploadFile = File(...),
+    session: AsyncSession = Depends(get_db),
+    user: AuthenticatedUser = Depends(get_current_user),
+):
+    document = await get_document(session, owner_id=user.sub, document_id=document_id)
+    if not document:
+        raise HTTPException(status_code=404, detail="Document not found")
+    version = next((v for v in document.versions if v.id == version_id), None)
+    if not version:
+        raise HTTPException(status_code=404, detail="Version not found")
+    updated = await upload_docx_to_version(session, owner_id=user.sub, version_id=version_id, upload=file)
+    if not updated:
+        raise HTTPException(status_code=404, detail="Version not found")
+    return VersionResponse.model_validate(updated)
+
+
 @router.post("", response_model=DocumentResponse)
 async def upload_document(
     title: str = Form(...),

apps/backend/fastapi/app/services/versions.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from fastapi import UploadFile
 from sqlalchemy import delete, select
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
@@ -8,11 +9,34 @@ from dlib.cv import (
     StructuredBlock,
     StructuredDocument,
     PatchPayload,
+    PatchOperation,
     apply_patchset,
     validate_patchset,
+    parse_docx_bytes,
 )
 
 from app.models import CvDocument, CvPatch, CvVersion, PublicAsset
+from app.services.storage import persist_upload
+
+
+def _diff_blocks(old: list[dict], new: list[dict]) -> list[PatchPayload]:
+    old_map = {b["path"]: b for b in old}
+    new_map = {b["path"]: b for b in new}
+    patches: list[PatchPayload] = []
+    for path, nb in new_map.items():
+        ob = old_map.get(path)
+        if ob and ob["text"] != nb["text"]:
+            patches.append(PatchPayload(
+                target_path=path, operation=PatchOperation.REPLACE_TEXT,
+                old_value=ob["text"], new_value=nb["text"],
+            ))
+    for path, ob in old_map.items():
+        if path not in new_map and ob.get("block_type") != "heading":
+            patches.append(PatchPayload(
+                target_path=path, operation=PatchOperation.REMOVE_BLOCK,
+                old_value=ob["text"],
+            ))
+    return patches
 
 
 async def create_branch(
@@ -78,7 +102,10 @@ async def create_branch(
     stmt_refresh = (
         select(CvVersion)
         .where(CvVersion.id == new_version.id)
-        .options(selectinload(CvVersion.patches))
+        .options(
+            selectinload(CvVersion.patches),
+            selectinload(CvVersion.public_assets),
+        )
     )
     result = await session.execute(stmt_refresh)
     return result.scalars().one()
@@ -95,7 +122,10 @@ async def append_patches_to_version(
         select(CvVersion)
         .join(CvVersion.document)
         .where(CvVersion.id == version_id, CvDocument.owner_id == owner_id)
-        .options(selectinload(CvVersion.patches))
+        .options(
+            selectinload(CvVersion.patches),
+            selectinload(CvVersion.public_assets),
+        )
     )
     result = await session.execute(stmt)
     version = result.scalars().one_or_none()
@@ -138,12 +168,64 @@ async def append_patches_to_version(
     stmt_refresh = (
         select(CvVersion)
         .where(CvVersion.id == version_id)
-        .options(selectinload(CvVersion.patches))
+        .options(
+            selectinload(CvVersion.patches),
+            selectinload(CvVersion.public_assets),
+        )
     )
     result = await session.execute(stmt_refresh)
     return result.scalars().one()
 
 
+async def upload_docx_to_version(
+    session: AsyncSession,
+    *,
+    owner_id: str,
+    version_id: str,
+    upload: UploadFile,
+) -> CvVersion | None:
+    stmt = (
+        select(CvVersion)
+        .join(CvVersion.document)
+        .where(CvVersion.id == version_id, CvDocument.owner_id == owner_id)
+        .options(selectinload(CvVersion.patches), selectinload(CvVersion.public_assets))
+    )
+    version = (await session.execute(stmt)).scalars().one_or_none()
+    if not version:
+        return None
+
+    artifact_key, file_bytes = await persist_upload(upload, owner_id)
+    new_blocks_parsed = parse_docx_bytes(file_bytes)
+    new_blocks = [b.model_dump() for b in new_blocks_parsed.blocks]
+
+    diff_patches = _diff_blocks(version.structured_blocks or [], new_blocks)
+
+    version.artifact_docx_key = artifact_key
+    version.structured_blocks = new_blocks
+    metadata = version.metadata_json or {}
+    metadata["patch_count"] = int(metadata.get("patch_count") or 0) + len(diff_patches)
+    version.metadata_json = metadata
+
+    for patch in diff_patches:
+        session.add(CvPatch(
+            version_id=version.id,
+            target_path=patch.target_path,
+            operation=patch.operation.value,
+            old_value=patch.old_value,
+            new_value=patch.new_value,
+            metadata_json=patch.metadata,
+        ))
+
+    await session.commit()
+
+    stmt_refresh = (
+        select(CvVersion)
+        .where(CvVersion.id == version_id)
+        .options(selectinload(CvVersion.patches), selectinload(CvVersion.public_assets))
+    )
+    return (await session.execute(stmt_refresh)).scalars().one()
+
+
 async def delete_version(
     session: AsyncSession, owner_id: str, version_id: str
 ) -> bool | str:

apps/webapp/bun.lock

@@ -7,7 +7,7 @@
       "dependencies": {
         "@supabase/ssr": "^0.7.0",
         "@supabase/supabase-js": "^2.57.4",
-        "next": "15.5.2",
+        "next": "15.5.14",
         "react": "19.1.0",
         "react-dom": "19.1.0",
       },
@@ -18,7 +18,7 @@
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "eslint": "^9",
-        "eslint-config-next": "15.5.2",
+        "eslint-config-next": "15.5.14",
         "tailwindcss": "^4",
         "typescript": "^5",
       },
@@ -117,25 +117,25 @@
 
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+    "@next/env": ["@next/env@15.5.14", "", {}, "sha512-aXeirLYuASxEgi4X4WhfXsShCFxWDfNn/8ZeC5YXAS2BB4A8FJi1kwwGL6nvMVboE7fZCzmJPNdMvVHc8JpaiA=="],
 
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@@ -395,7 +395,7 @@
 
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@@ -635,7 +635,7 @@
 
     "natural-compare": ["natural-compare@1.4.0", "", {}, "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw=="],
 
-    "next": ["next@15.5.2", "", { "dependencies": { "@next/env": "15.5.2", "@swc/helpers": "0.5.15", "caniuse-lite": "^1.0.30001579", "postcss": "8.4.31", "styled-jsx": "5.1.6" }, "optionalDependencies": { "@next/swc-darwin-arm64": "15.5.2", "@next/swc-darwin-x64": "15.5.2", "@next/swc-linux-arm64-gnu": "15.5.2", "@next/swc-linux-arm64-musl": "15.5.2", "@next/swc-linux-x64-gnu": "15.5.2", "@next/swc-linux-x64-musl": "15.5.2", "@next/swc-win32-arm64-msvc": "15.5.2", "@next/swc-win32-x64-msvc": "15.5.2", "sharp": "^0.34.3" }, "peerDependencies": { "@opentelemetry/api": "^1.1.0", "@playwright/test": "^1.51.1", "babel-plugin-react-compiler": "*", "react": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "react-dom": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "sass": "^1.3.0" }, "optionalPeers": ["@opentelemetry/api", "@playwright/test", "babel-plugin-react-compiler", "sass"], "bin": "dist/bin/next" }, "sha512-H8Otr7abj1glFhbGnvUt3gz++0AF1+QoCXEBmd/6aKbfdFwrn0LpA836Ed5+00va/7HQSDD+mOoVhn3tNy3e/Q=="],
+    "next": ["next@15.5.14", "", { "dependencies": { "@next/env": "15.5.14", "@swc/helpers": "0.5.15", "caniuse-lite": "^1.0.30001579", "postcss": "8.4.31", "styled-jsx": "5.1.6" }, "optionalDependencies": { "@next/swc-darwin-arm64": "15.5.14", "@next/swc-darwin-x64": "15.5.14", "@next/swc-linux-arm64-gnu": "15.5.14", "@next/swc-linux-arm64-musl": "15.5.14", "@next/swc-linux-x64-gnu": "15.5.14", "@next/swc-linux-x64-musl": "15.5.14", "@next/swc-win32-arm64-msvc": "15.5.14", "@next/swc-win32-x64-msvc": "15.5.14", "sharp": "^0.34.3" }, "peerDependencies": { "@opentelemetry/api": "^1.1.0", "@playwright/test": "^1.51.1", "babel-plugin-react-compiler": "*", "react": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "react-dom": "^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0", "sass": "^1.3.0" }, "optionalPeers": ["@opentelemetry/api", "@playwright/test", "babel-plugin-react-compiler", "sass"], "bin": { "next": "dist/bin/next" } }, "sha512-M6S+4JyRjmKic2Ssm7jHUPkE6YUJ6lv4507jprsSZLulubz0ihO2E+S4zmQK3JZ2ov81JrugukKU4Tz0ivgqqQ=="],
 
     "object-assign": ["object-assign@4.1.1", "", {}, "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="],
 
@@ -843,8 +843,6 @@
 
     "eslint-plugin-react/resolve": ["resolve@2.0.0-next.5", "", { "dependencies": { "is-core-module": "^2.13.0", "path-parse": "^1.0.7", "supports-preserve-symlinks-flag": "^1.0.0" }, "bin": "bin/resolve" }, "sha512-U7WjGVG9sH8tvjW5SmGbQuui75FiyjAX72HX15DwBBwF9dNiQZRQAg9nnPhYy+TUnE0+VcrttuvNI8oSxZcocA=="],
 
-    "eslint-plugin-react/semver": ["semver@6.3.1", "", { "bin": "bin/semver.js" }, "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA=="],
-
     "fast-glob/glob-parent": ["glob-parent@5.1.2", "", { "dependencies": { "is-glob": "^4.0.1" } }, "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow=="],
 
     "is-bun-module/semver": ["semver@7.7.2", "", { "bin": "bin/semver.js" }, "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA=="],

apps/webapp/package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@supabase/ssr": "^0.7.0",
     "@supabase/supabase-js": "^2.57.4",
-    "next": "15.5.2",
+    "next": "15.5.14",
     "react": "19.1.0",
     "react-dom": "19.1.0"
   },
@@ -24,7 +24,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
-    "eslint-config-next": "15.5.2",
+    "eslint-config-next": "15.5.14",
     "tailwindcss": "^4",
     "typescript": "^5"
   }

apps/webapp/src/app/dashboard/demo-data.ts

@@ -1,6 +1,5 @@
 import type { Document, Submission, InsightsResult } from '@/libs/api';
 
-const NOW = new Date().toISOString();
 const D = (daysAgo: number) => new Date(Date.now() - daysAgo * 86_400_000).toISOString();
 
 const ROOT_VERSION_ID = 'demo-v1';

apps/webapp/src/app/dashboard/page.tsx

@@ -1,9 +1,10 @@
 'use client';
 
 import { useEffect, useRef, useState } from 'react';
-import CVTree from '@/components/cv/CVTree';
+import CVTree, { versionToMarkdown } from '@/components/cv/CVTree';
 import DiffViewer from '@/components/cv/DiffViewer';
 import InsightsPanel from '@/components/cv/InsightsPanel';
+import PDFPreview from '@/components/cv/PDFPreview';
 import Link from 'next/link';
 import {
     appendPatches,
@@ -21,6 +22,7 @@ import {
     updateSubmissionStatus,
     updateSuggestion,
     uploadDocument,
+    uploadDocxToBranch,
     Version,
 } from '@/libs/api';
 import {
@@ -74,8 +76,14 @@ function UploadModal({ onClose, onDone }: { onClose: () => void; onDone: (doc: D
     const submit = async () => {
         if (!title.trim() || !file) { setError('Title and file required.'); return; }
         setLoading(true); setError('');
-        try { onDone(await uploadDocument(title.trim(), desc.trim() || null, file)); }
-        catch (e: unknown) { setError(e instanceof Error ? e.message : 'Upload failed'); setLoading(false); }
+        try {
+            const doc = await uploadDocument(title.trim(), desc.trim() || null, file);
+            await Promise.resolve(onDone(doc));
+        } catch (e: unknown) {
+            setError(e instanceof Error ? e.message : 'Upload failed');
+        } finally {
+            setLoading(false);
+        }
     };
 
     return (
@@ -123,8 +131,14 @@ function BranchModal({
     const submit = async () => {
         if (!name.trim()) { setError('Branch name required.'); return; }
         setLoading(true); setError('');
-        try { onDone(await createBranch(version.id, name.trim(), label.trim() || null, patches as Record<string, unknown>[])); }
-        catch (e: unknown) { setError(e instanceof Error ? e.message : 'Failed'); setLoading(false); }
+        try {
+            const v = await createBranch(version.id, name.trim(), label.trim() || null, patches as Record<string, unknown>[]);
+            await Promise.resolve(onDone(v));
+        } catch (e: unknown) {
+            setError(e instanceof Error ? e.message : 'Failed');
+        } finally {
+            setLoading(false);
+        }
     };
 
     return (
@@ -170,8 +184,14 @@ function SubmissionModal({ version, onClose, onDone }: { version: Version; onClo
     const submit = async () => {
         if (!company.trim() || !role.trim()) { setError('Company and role required.'); return; }
         setLoading(true); setError('');
-        try { onDone(await createSubmission(version.id, company.trim(), role.trim(), url.trim() || null, jd.trim() || null)); }
-        catch (e: unknown) { setError(e instanceof Error ? e.message : 'Failed'); setLoading(false); }
+        try {
+            const s = await createSubmission(version.id, company.trim(), role.trim(), url.trim() || null, jd.trim() || null);
+            await Promise.resolve(onDone(s));
+        } catch (e: unknown) {
+            setError(e instanceof Error ? e.message : 'Failed');
+        } finally {
+            setLoading(false);
+        }
     };
 
     return (
@@ -211,8 +231,12 @@ function PublishModal({ version, onClose, onDone }: { version: Version; onClose:
         setLoading(true); setError('');
         try {
             const asset = await publishVersion(version.id, null, slug.trim() || null);
-            onDone(asset);
-        } catch (e: unknown) { setError(e instanceof Error ? e.message : 'Failed'); setLoading(false); }
+            await Promise.resolve(onDone(asset));
+        } catch (e: unknown) {
+            setError(e instanceof Error ? e.message : 'Failed');
+        } finally {
+            setLoading(false);
+        }
     };
 
     return (
@@ -554,7 +578,7 @@ function SubmissionsTab({
 // ── main dashboard ────────────────────────────────────────────────────────────
 
 type Modal = 'upload' | 'branch' | 'submission' | 'publish' | null;
-type Tab = 'content' | 'patches' | 'submissions' | 'insights';
+type Tab = 'content' | 'patches' | 'submissions' | 'insights' | 'preview';
 
 export default function Dashboard() {
     const [docs, setDocs] = useState<Document[]>([]);
@@ -575,6 +599,9 @@ export default function Dashboard() {
     const [applyLoading, setApplyLoading] = useState(false);
     const [applyError, setApplyError] = useState('');
     const [insights, setInsights] = useState<InsightsResult | null>(null);
+    const [uploadBranchLoading, setUploadBranchLoading] = useState(false);
+    const [uploadBranchError, setUploadBranchError] = useState('');
+    const uploadBranchRef = useRef<HTMLInputElement>(null);
 
     useEffect(() => {
         if (IS_DEMO) {
@@ -695,6 +722,40 @@ export default function Dashboard() {
 
     const discardEdits = () => setPendingEdits(new Map());
 
+    const handleUploadToBranch = async (file: File) => {
+        if (!selectedDocId || !selectedVersionId) return;
+        setUploadBranchLoading(true);
+        setUploadBranchError('');
+        try {
+            await uploadDocxToBranch(selectedDocId, selectedVersionId, file);
+            await refreshDocs();
+        } catch (e: unknown) {
+            setUploadBranchError(e instanceof Error ? e.message : 'Upload failed');
+        } finally {
+            setUploadBranchLoading(false);
+        }
+    };
+
+    const handleCopyMarkdown = (versionId: string) => {
+        if (!selectedDoc) return;
+        const versionMap = new Map(selectedDoc.versions.map(v => [v.id, v]));
+        const sections = selectedDoc.versions
+            .filter(v => v.id === versionId || selectedDoc.versions.some(x => x.id === versionId))
+            .map(v => versionToMarkdown(v, v.parent_version_id ? (versionMap.get(v.parent_version_id ?? '')?.branch_name) : undefined));
+        const md = `# ${selectedDoc.title}\n\n${sections.join('\n\n---\n\n')}`;
+        navigator.clipboard.writeText(md).catch(() => {});
+    };
+
+    const handleCopyBranchMarkdown = (versionId: string) => {
+        if (!selectedDoc) return;
+        const version = selectedDoc.versions.find(v => v.id === versionId);
+        if (!version) return;
+        const versionMap = new Map(selectedDoc.versions.map(v => [v.id, v]));
+        const parentName = version.parent_version_id ? versionMap.get(version.parent_version_id)?.branch_name : undefined;
+        const md = `# ${selectedDoc.title}\n\n${versionToMarkdown(version, parentName)}`;
+        navigator.clipboard.writeText(md).catch(() => {});
+    };
+
     const applyStagedEdits = async () => {
         if (!selectedVersionId || !stagedPatches.length) return;
         setApplyLoading(true);
@@ -877,6 +938,7 @@ export default function Dashboard() {
                                         selectedVersionId={selectedVersionId}
                                         onSelect={selectVersion}
                                         onDeleteVersion={handleDeleteVersion}
+                                        onCopyMarkdown={handleCopyBranchMarkdown}
                                     />
                                 </div>
                             )}
@@ -929,6 +991,7 @@ export default function Dashboard() {
                                             versions={selectedDoc.versions}
                                             selectedVersionId={selectedVersionId}
                                             onSelect={selectVersion}
+                                            onCopyMarkdown={handleCopyBranchMarkdown}
                                         />
                                     </div>
 
@@ -989,6 +1052,29 @@ export default function Dashboard() {
                                                 ↓ DOCX
                                             </a>
                                         )}
+                                        {!IS_DEMO && (
+                                            <>
+                                                <button
+                                                    className="btn btn-ghost"
+                                                    onClick={() => uploadBranchRef.current?.click()}
+                                                    disabled={uploadBranchLoading}
+                                                    title="Upload a new DOCX to this branch — diff is computed automatically"
+                                                >
+                                                    {uploadBranchLoading ? 'Uploading…' : '↑ DOCX'}
+                                                </button>
+                                                <input
+                                                    ref={uploadBranchRef}
+                                                    type="file"
+                                                    accept=".docx"
+                                                    style={{ display: 'none' }}
+                                                    onChange={e => {
+                                                        const f = e.target.files?.[0];
+                                                        if (f) handleUploadToBranch(f);
+                                                        e.target.value = '';
+                                                    }}
+                                                />
+                                            </>
+                                        )}
                                     </div>
                                 </div>
 
@@ -1085,9 +1171,20 @@ export default function Dashboard() {
                                     </div>
                                 )}
 
+                                {uploadBranchError && (
+                                    <div style={{
+                                        padding: '6px 12px', background: '#fef2f2', border: '1px solid #fca5a5',
+                                        borderRadius: 5, marginBottom: 12, fontSize: 12, color: '#b91c1c',
+                                        display: 'flex', justifyContent: 'space-between', alignItems: 'center',
+                                    }}>
+                                        <span>{uploadBranchError}</span>
+                                        <button className="btn btn-ghost" style={{ fontSize: 11, padding: '1px 6px' }} onClick={() => setUploadBranchError('')}>×</button>
+                                    </div>
+                                )}
+
                                 {/* tabs */}
                                 <div style={{ display: 'flex', gap: 0, borderBottom: '1px solid var(--border)', overflowX: 'auto' }}>
-                                    {(['content', 'patches', 'submissions', 'insights'] as Tab[]).map(t => (
+                                    {(['content', 'patches', 'submissions', 'insights', 'preview'] as Tab[]).map(t => (
                                         <button
                                             key={t}
                                             onClick={() => setActiveTab(t)}
@@ -1106,7 +1203,7 @@ export default function Dashboard() {
                             </div>
 
                             {/* tab content */}
-                            <div style={{ padding: '16px 20px', flex: 1, overflow: 'auto' }}>
+                            <div style={{ padding: activeTab === 'preview' ? 0 : '16px 20px', flex: 1, overflow: activeTab === 'preview' ? 'hidden' : 'auto' }}>
                                 {activeTab === 'content' && (
                                     <ContentTab
                                         blocks={selectedVersion.structured_blocks ?? []}
@@ -1134,6 +1231,11 @@ export default function Dashboard() {
                                 {activeTab === 'insights' && (
                                     <InsightsPanel data={insights} />
                                 )}
+                                {activeTab === 'preview' && selectedDoc && (
+                                    IS_DEMO
+                                        ? <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', height: '100%', color: 'var(--text-faint)', fontSize: 13 }}>Preview not available in demo mode.</div>
+                                        : <PDFPreview documentId={selectedDoc.id} versionId={selectedVersion.id} />
+                                )}
                             </div>
                         </>
                     )}

apps/webapp/src/components/cv/CVTree.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState } from 'react';
+import { MouseEvent, useState } from 'react';
 import { Version } from '@/libs/api';
 
 type TreeNode = { version: Version; children: TreeNode[] };
@@ -15,21 +15,38 @@ function buildTree(versions: Version[]): TreeNode | null {
     return root;
 }
 
+export function versionToMarkdown(version: Version, parentName?: string): string {
+    const header = `## ${version.version_label || version.branch_name}${parentName ? ` (from ${parentName})` : ''}`;
+    const blocks = (version.structured_blocks ?? []).map(b =>
+        `[${b.path}] ${b.block_type}: ${b.text}`
+    ).join('\n');
+    return `${header}\n\n${blocks || '(no blocks)'}`;
+}
+
 const DOT_COLORS = ['#0a0a0a', '#2563eb', '#7c3aed', '#059669', '#d97706', '#dc2626', '#0891b2'];
 
-function Node({ node, depth, selectedId, onSelect, onDelete, colorIndex = 0 }: {
+function Node({ node, depth, selectedId, onSelect, onDelete, onCopyMarkdown, colorIndex = 0 }: {
     node: TreeNode; depth: number; selectedId: string | null;
     onSelect: (id: string) => void;
     onDelete?: (id: string) => void;
+    onCopyMarkdown?: (id: string) => void;
     colorIndex?: number;
 }) {
     const [open, setOpen] = useState(true);
     const [hovered, setHovered] = useState(false);
+    const [copied, setCopied] = useState(false);
     const v = node.version;
     const isRoot = !v.parent_version_id;
     const isSelected = v.id === selectedId;
     const dotColor = DOT_COLORS[colorIndex % DOT_COLORS.length];
 
+    const handleCopy = (e: MouseEvent) => {
+        e.stopPropagation();
+        onCopyMarkdown?.(v.id);
+        setCopied(true);
+        setTimeout(() => setCopied(false), 1500);
+    };
+
     return (
         <div style={{ position: 'relative' }}>
             {depth > 0 && (
@@ -93,6 +110,22 @@ function Node({ node, depth, selectedId, onSelect, onDelete, colorIndex = 0 }: {
                     </span>
                 )}
 
+                {hovered && onCopyMarkdown && (
+                    <button
+                        onClick={handleCopy}
+                        title="Copy Markdown"
+                        aria-label="Copy Markdown"
+                        style={{
+                            width: 18, height: 18, display: 'flex', alignItems: 'center',
+                            justifyContent: 'center', cursor: 'pointer', background: 'none',
+                            border: 'none', padding: 0, color: copied ? '#059669' : 'var(--text-faint)',
+                            flexShrink: 0, borderRadius: 3, fontSize: 11, lineHeight: 1,
+                        }}
+                    >
+                        {copied ? '✓' : '⎘'}
+                    </button>
+                )}
+
                 {!isRoot && onDelete && hovered && (
                     <button
                         onClick={e => { e.stopPropagation(); onDelete(v.id); }}
@@ -124,6 +157,7 @@ function Node({ node, depth, selectedId, onSelect, onDelete, colorIndex = 0 }: {
                             selectedId={selectedId}
                             onSelect={onSelect}
                             onDelete={onDelete}
+                            onCopyMarkdown={onCopyMarkdown}
                             colorIndex={depth === 0 ? i + 1 : colorIndex}
                         />
                     ))}
@@ -133,16 +167,17 @@ function Node({ node, depth, selectedId, onSelect, onDelete, colorIndex = 0 }: {
     );
 }
 
-export default function CVTree({ versions, selectedVersionId, onSelect, onDeleteVersion }: {
+export default function CVTree({ versions, selectedVersionId, onSelect, onDeleteVersion, onCopyMarkdown }: {
     versions: Version[]; selectedVersionId: string | null;
     onSelect: (id: string) => void;
     onDeleteVersion?: (id: string) => void;
+    onCopyMarkdown?: (id: string) => void;
 }) {
     const tree = buildTree(versions);
     if (!tree) return <div style={{ padding: 16, fontSize: 13, color: 'var(--text-faint)' }}>No versions</div>;
     return (
         <div style={{ paddingBottom: 8 }}>
-            <Node node={tree} depth={0} selectedId={selectedVersionId} onSelect={onSelect} onDelete={onDeleteVersion} />
+            <Node node={tree} depth={0} selectedId={selectedVersionId} onSelect={onSelect} onDelete={onDeleteVersion} onCopyMarkdown={onCopyMarkdown} />
         </div>
     );
 }

apps/webapp/src/components/cv/PDFPreview.tsx

@@ -0,0 +1,64 @@
+'use client';
+
+import { useEffect, useRef, useState } from 'react';
+import { previewVersionPdfUrl } from '@/libs/api';
+
+function getToken(): string | null {
+    if (typeof document === 'undefined') return null;
+    return document.cookie.split(';').map(c => c.trim()).find(c => c.startsWith('oidc_token_pub='))?.split('=').slice(1).join('=') ?? null;
+}
+
+export default function PDFPreview({ documentId, versionId }: { documentId: string; versionId: string }) {
+    const [src, setSrc] = useState<string | null>(null);
+    const [loading, setLoading] = useState(false);
+    const [error, setError] = useState<string | null>(null);
+    const prevUrl = useRef<string | null>(null);
+
+    useEffect(() => {
+        let cancelled = false;
+        setLoading(true);
+        setError(null);
+
+        const token = getToken();
+        fetch(previewVersionPdfUrl(documentId, versionId), {
+            headers: token ? { authorization: `Bearer ${decodeURIComponent(token)}` } : {},
+        })
+            .then(r => {
+                if (!r.ok) throw new Error(`HTTP ${r.status}`);
+                return r.blob();
+            })
+            .then(blob => {
+                if (cancelled) return;
+                if (prevUrl.current) URL.revokeObjectURL(prevUrl.current);
+                const url = URL.createObjectURL(blob);
+                prevUrl.current = url;
+                setSrc(url);
+            })
+            .catch(e => { if (!cancelled) setError(e.message); })
+            .finally(() => { if (!cancelled) setLoading(false); });
+
+        return () => { cancelled = true; };
+    }, [documentId, versionId]);
+
+    useEffect(() => () => { if (prevUrl.current) URL.revokeObjectURL(prevUrl.current); }, []);
+
+    if (loading) return (
+        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', height: '100%', color: 'var(--text-faint)', fontSize: 13 }}>
+            Rendering PDF…
+        </div>
+    );
+    if (error) return (
+        <div style={{ padding: 16, fontSize: 12, color: '#dc2626' }}>
+            Preview unavailable: {error}
+        </div>
+    );
+    if (!src) return null;
+
+    return (
+        <iframe
+            src={src}
+            style={{ width: '100%', height: '100%', border: 'none', borderRadius: 4 }}
+            title="CV Preview"
+        />
+    );
+}

apps/webapp/src/libs/api.ts

@@ -144,6 +144,15 @@ export async function uploadDocument(title: string, description: string | null,
 export const downloadVersionUrl = (documentId: string, versionId: string): string =>
     `${API}/api/v1/documents/${documentId}/versions/${versionId}/download`;
 
+export const previewVersionPdfUrl = (documentId: string, versionId: string): string =>
+    `${API}/api/v1/documents/${documentId}/versions/${versionId}/preview`;
+
+export async function uploadDocxToBranch(documentId: string, versionId: string, file: File): Promise<Version> {
+    const form = new FormData();
+    form.append('file', file);
+    return req<Version>(`/api/v1/documents/${documentId}/versions/${versionId}/upload`, { method: 'POST', body: form });
+}
+
 export async function createBranch(
     parentVersionId: string,
     branchName: string,

apps/webapp/src/middleware.ts

@@ -19,6 +19,7 @@ async function verifySession(token: string): Promise<boolean> {
 
 export async function middleware(req: NextRequest) {
     if (!req.nextUrl.pathname.startsWith('/dashboard')) return NextResponse.next();
+    if (process.env.NEXT_PUBLIC_DEMO === 'true') return NextResponse.next();
     const session = req.cookies.get('session')?.value;
     const oidc = req.cookies.get('oidc_token')?.value;
     if (oidc) return NextResponse.next();

dlib/cv/ats_guard.py

@@ -13,14 +13,9 @@ def validate_patchset(
     document: StructuredDocument,
     patches: Iterable[PatchPayload],
     *,
-    max_changes: int = 12,
     max_growth_ratio: float = 1.45,
 ) -> None:
     patch_list = list(patches)
-    if len(patch_list) > max_changes:
-        raise PatchValidationError(
-            f"Patchset exceeds max changes ({len(patch_list)} > {max_changes})"
-        )
     block_map = {block.path: block for block in document.blocks}
     for patch in patch_list:
         block = block_map.get(patch.target_path)