did something

.env.example

@@ -41,6 +41,15 @@ NATS_URL=nats://localhost:4222
 #   openssl ecparam -genkey -name prime256v1 -noout -out signing-key.pem
 # ARTIFACT_SIGNING_KEY=
 
+# ─── SSH Server ────────────────────────────────────────────────────────────────
+# Hostname shown in SSH clone URLs. Auto-detected from INSTANCE_URL or request
+# Host header when empty.
+# SSH_HOST=ssh.example.com
+# SSH_PORT=2222
+# Path to PEM-encoded SSH host key. If empty, an ephemeral RSA-4096 key is
+# generated at startup (host key changes on restart — warns clients).
+# SSH_HOST_KEY_PATH=
+
 # ─── OCI Registry (Phase 4) ───────────────────────────────────────────────────
 # Root directory for the OCI Distribution Spec blob and upload storage.
 OCI_ROOT=/var/lib/forgebucket/oci

frontend/package.json

@@ -10,8 +10,25 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@codemirror/autocomplete": "^6.0.0",
+    "@codemirror/commands": "^6.0.0",
+    "@codemirror/lang-cpp": "^6.0.0",
+    "@codemirror/lang-css": "^6.0.0",
+    "@codemirror/lang-html": "^6.0.0",
+    "@codemirror/lang-java": "^6.0.0",
     "@codemirror/lang-javascript": "^6.2.5",
+    "@codemirror/lang-json": "^6.0.0",
+    "@codemirror/lang-markdown": "^6.0.0",
+    "@codemirror/lang-python": "^6.0.0",
+    "@codemirror/lang-rust": "^6.0.0",
+    "@codemirror/lang-xml": "^6.0.0",
+    "@codemirror/lang-yaml": "^6.1.3",
+    "@codemirror/language": "^6.0.0",
     "@codemirror/merge": "^6.12.1",
+    "@codemirror/search": "^6.0.0",
+    "@codemirror/state": "^6.0.0",
+    "@codemirror/theme-one-dark": "^6.0.0",
+    "@codemirror/view": "^6.0.0",
     "@tanstack/react-query": "^5.100.9",
     "react": "^19.2.5",
     "react-dom": "^19.2.5",

frontend/src/components/repos/TreeBrowser.tsx

@@ -1,5 +1,8 @@
-import { Link } from 'react-router-dom'
+import { useRef, useState } from 'react'
+import { Link, useNavigate } from 'react-router-dom'
+import { useQueryClient } from '@tanstack/react-query'
 import { useRepoTree } from '../../api/queries/repos'
+import { getCSRFToken } from '../../api/client'
 import { Skeleton } from '../../ui/Skeleton'
 
 interface TreeBrowserProps {
@@ -32,23 +35,141 @@ function formatSize(bytes: number): string {
 }
 
 export function TreeBrowser({ owner, repo, ref, path = '' }: TreeBrowserProps) {
+  const navigate = useNavigate()
+  const queryClient = useQueryClient()
   const { data: entries, isLoading, isError } = useRepoTree(owner, repo, ref, path)
 
+  const fileInputRef = useRef<HTMLInputElement>(null)
+  const folderInputRef = useRef<HTMLInputElement>(null)
+  const zipInputRef = useRef<HTMLInputElement>(null)
+  const [uploadStatus, setUploadStatus] = useState<string | null>(null)
+  const [uploading, setUploading] = useState(false)
+
+  async function handleUpload(files: FileList | null, isZip = false) {
+    if (!files || files.length === 0) return
+    setUploading(true)
+    setUploadStatus(`Uploading ${isZip ? 'archive' : `${files.length} file${files.length > 1 ? 's' : ''}`}…`)
+
+    try {
+      const csrfToken = await getCSRFToken()
+      const form = new FormData()
+      form.append('branch', ref || 'main')
+      form.append('message', isZip ? 'Upload archive' : `Upload ${files.length} file${files.length > 1 ? 's' : ''}`)
+
+      if (isZip) {
+        form.append('zip', files[0])
+      } else {
+        for (const file of Array.from(files)) {
+          const relativePath = (file as File & { webkitRelativePath?: string }).webkitRelativePath || file.name
+          const f = new File([file], relativePath, { type: file.type })
+          form.append('file[]', f, relativePath)
+        }
+      }
+
+      const res = await fetch(`/api/v1/repos/${owner}/${repo}/upload`, {
+        method: 'POST',
+        credentials: 'include',
+        headers: { 'X-CSRF-Token': csrfToken },
+        body: form,
+      })
+
+      if (!res.ok) {
+        const err = await res.json().catch(() => ({ error: res.statusText }))
+        throw new Error(err.error || 'Upload failed')
+      }
+
+      const result = await res.json()
+      setUploadStatus(`Committed ${result.committed} file${result.committed !== 1 ? 's' : ''}`)
+      queryClient.invalidateQueries({ queryKey: ['repos', owner, repo, 'tree'] })
+      queryClient.invalidateQueries({ queryKey: ['repos', owner, repo, 'files'] })
+      setTimeout(() => setUploadStatus(null), 3000)
+    } catch (err) {
+      setUploadStatus(`Error: ${(err as Error).message}`)
+      setTimeout(() => setUploadStatus(null), 5000)
+    } finally {
+      setUploading(false)
+      if (fileInputRef.current) fileInputRef.current.value = ''
+      if (folderInputRef.current) folderInputRef.current.value = ''
+      if (zipInputRef.current) zipInputRef.current.value = ''
+    }
+  }
+
   if (isLoading) return <TreeSkeleton />
   if (isError) return <p className="text-xs text-[var(--c-danger)] p-4">Failed to load file tree.</p>
-  if (!entries?.length) return (
-    <div className="border border-dashed border-[var(--c-border)] rounded p-6 text-center text-xs text-[var(--c-muted)]">
-      No files yet — push your first commit to see them here.
-    </div>
-  )
 
-  const dirs = entries.filter(e => e.type === 'tree').sort((a, b) => a.name.localeCompare(b.name))
+  const dirs = (entries ?? []).filter(e => e.type === 'tree').sort((a, b) => a.name.localeCompare(b.name))
-  const files = entries.filter(e => e.type === 'blob').sort((a, b) => a.name.localeCompare(b.name))
+  const files = (entries ?? []).filter(e => e.type === 'blob').sort((a, b) => a.name.localeCompare(b.name))
   const sorted = [...dirs, ...files]
 
   return (
     <div className="border border-[var(--c-border)] rounded overflow-hidden bg-[var(--c-surface)]">
-      {/* Path breadcrumb inside tree */}
+
+      {/* Upload toolbar */}
+      <div className="flex items-center gap-2 px-3 py-2 bg-[var(--c-surface-muted)] border-b border-[var(--c-border)] flex-wrap">
+        <button
+          onClick={() => navigate(`/repos/${owner}/${repo}/blob?ref=${encodeURIComponent(ref || 'main')}&new=true`)}
+          className="flex items-center gap-1.5 px-2.5 py-1 rounded text-xs font-medium border border-[var(--c-border)] text-[var(--c-text)] hover:bg-[var(--c-surface)] bg-[var(--c-surface)]"
+        >
+          <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2.5" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+          </svg>
+          New file
+        </button>
+
+        <button
+          onClick={() => fileInputRef.current?.click()}
+          disabled={uploading}
+          className="flex items-center gap-1.5 px-2.5 py-1 rounded text-xs font-medium border border-[var(--c-border)] text-[var(--c-text)] hover:bg-[var(--c-surface)] bg-[var(--c-surface)] disabled:opacity-50"
+        >
+          <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" d="M3 16.5v2.25A2.25 2.25 0 0 0 5.25 21h13.5A2.25 2.25 0 0 0 21 18.75V16.5m-13.5-9L12 3m0 0 4.5 4.5M12 3v13.5" />
+          </svg>
+          Upload files
+        </button>
+
+        <button
+          onClick={() => folderInputRef.current?.click()}
+          disabled={uploading}
+          className="flex items-center gap-1.5 px-2.5 py-1 rounded text-xs font-medium border border-[var(--c-border)] text-[var(--c-text)] hover:bg-[var(--c-surface)] bg-[var(--c-surface)] disabled:opacity-50"
+        >
+          <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" d="M2.25 12.75V12A2.25 2.25 0 0 1 4.5 9.75h15A2.25 2.25 0 0 1 21.75 12v.75m-8.69-6.44-2.12-2.12a1.5 1.5 0 0 0-1.061-.44H4.5A2.25 2.25 0 0 0 2.25 6v8.25" />
+          </svg>
+          Upload folder
+        </button>
+
+        <button
+          onClick={() => zipInputRef.current?.click()}
+          disabled={uploading}
+          className="flex items-center gap-1.5 px-2.5 py-1 rounded text-xs font-medium border border-[var(--c-border)] text-[var(--c-text)] hover:bg-[var(--c-surface)] bg-[var(--c-surface)] disabled:opacity-50"
+        >
+          <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" d="M20.25 7.5l-.625 10.632a2.25 2.25 0 0 1-2.247 2.118H6.622a2.25 2.25 0 0 1-2.247-2.118L3.75 7.5M10 11.25h4M3.375 7.5h17.25c.621 0 1.125-.504 1.125-1.125v-1.5c0-.621-.504-1.125-1.125-1.125H3.375c-.621 0-1.125.504-1.125 1.125v1.5c0 .621.504 1.125 1.125 1.125Z" />
+          </svg>
+          Upload ZIP
+        </button>
+
+        {uploadStatus && (
+          <span className={`text-xs ml-1 ${uploadStatus.startsWith('Error') ? 'text-[var(--c-danger)]' : 'text-[var(--c-success)]'}`}>
+            {uploadStatus}
+          </span>
+        )}
+
+        {/* Hidden file inputs */}
+        <input ref={fileInputRef} type="file" multiple className="hidden" onChange={e => handleUpload(e.target.files)} />
+        <input
+          ref={folderInputRef}
+          type="file"
+          className="hidden"
+          // @ts-expect-error webkitdirectory is not in React types
+          webkitdirectory=""
+          multiple
+          onChange={e => handleUpload(e.target.files)}
+        />
+        <input ref={zipInputRef} type="file" accept=".zip" className="hidden" onChange={e => handleUpload(e.target.files, true)} />
+      </div>
+
+      {/* Path breadcrumb */}
       {path && (
         <div className="flex items-center gap-1 px-3 py-2 bg-[var(--c-surface-muted)] border-b border-[var(--c-border)] text-xs text-[var(--c-muted)]">
           <Link to={`/repos/${owner}/${repo}`} className="hover:text-[var(--c-brand)]">{repo}</Link>
@@ -67,58 +188,58 @@ export function TreeBrowser({ owner, repo, ref, path = '' }: TreeBrowserProps) {
         </div>
       )}
 
-      <table className="w-full text-sm border-collapse">
+      {sorted.length === 0 ? (
-        <colgroup>
+        <div className="p-6 text-center text-xs text-[var(--c-muted)]">
-          <col className="w-auto" />
+          No files yet — push your first commit or upload files above.
-          <col className="w-48 hidden sm:table-column" />
+        </div>
-          <col className="w-28" />
+      ) : (
-        </colgroup>
+        <table className="w-full text-sm border-collapse">
-        <tbody>
+          <colgroup>
-          {sorted.map(entry => {
+            <col className="w-auto" />
-            const entryPath = path ? `${path}/${entry.name}` : entry.name
+            <col className="w-48 hidden sm:table-column" />
-            const isDir = entry.type === 'tree'
+            <col className="w-28" />
-            const href = isDir
+          </colgroup>
-              ? `/repos/${owner}/${repo}?path=${encodeURIComponent(entryPath)}&ref=${ref}`
+          <tbody>
-              : `/repos/${owner}/${repo}/blob?ref=${encodeURIComponent(ref)}&path=${encodeURIComponent(entryPath)}`
+            {sorted.map(entry => {
+              const entryPath = path ? `${path}/${entry.name}` : entry.name
+              const isDir = entry.type === 'tree'
+              const href = isDir
+                ? `/repos/${owner}/${repo}?path=${encodeURIComponent(entryPath)}&ref=${ref}`
+                : `/repos/${owner}/${repo}/blob?ref=${encodeURIComponent(ref)}&path=${encodeURIComponent(entryPath)}`
 
-            return (
+              return (
-              <tr key={entry.hash} className="border-b border-[var(--c-border)] last:border-b-0 hover:bg-[var(--c-surface-raised)]">
+                <tr key={entry.hash} className="border-b border-[var(--c-border)] last:border-b-0 hover:bg-[var(--c-surface-raised)]">
-                {/* Name */}
+                  <td className="px-3 py-2">
-                <td className="px-3 py-2">
+                    <div className="flex items-center gap-2">
-                  <div className="flex items-center gap-2">
+                      {isDir ? (
-                    {isDir ? (
+                        <svg width="16" height="16" fill="var(--c-brand)" viewBox="0 0 24 24" className="shrink-0">
-                      <svg width="16" height="16" fill="var(--c-brand)" viewBox="0 0 24 24" className="shrink-0">
+                          <path d="M19.5 21h-15A2.25 2.25 0 0 1 2.25 18.75V6.75A2.25 2.25 0 0 1 4.5 4.5h4.086c.398 0 .779.158 1.06.44l1.415 1.414c.28.281.661.44 1.06.44H19.5A2.25 2.25 0 0 1 21.75 9v9.75A2.25 2.25 0 0 1 19.5 21Z" />
-                        <path d="M19.5 21h-15A2.25 2.25 0 0 1 2.25 18.75V6.75A2.25 2.25 0 0 1 4.5 4.5h4.086c.398 0 .779.158 1.06.44l1.415 1.414c.28.281.661.44 1.06.44H19.5A2.25 2.25 0 0 1 21.75 9v9.75A2.25 2.25 0 0 1 19.5 21Z" />
+                        </svg>
-                      </svg>
+                      ) : (
-                    ) : (
+                        <svg width="16" height="16" fill="none" stroke="var(--c-muted)" strokeWidth="1.5" viewBox="0 0 24 24" className="shrink-0">
-                      <svg width="16" height="16" fill="none" stroke="var(--c-muted)" strokeWidth="1.5" viewBox="0 0 24 24" className="shrink-0">
+                          <path strokeLinecap="round" strokeLinejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 0 0-3.375-3.375h-1.5A1.125 1.125 0 0 1 13.5 7.125v-1.5a3.375 3.375 0 0 0-3.375-3.375H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 0 0-9-9Z" />
-                        <path strokeLinecap="round" strokeLinejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 0 0-3.375-3.375h-1.5A1.125 1.125 0 0 1 13.5 7.125v-1.5a3.375 3.375 0 0 0-3.375-3.375H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 0 0-9-9Z" />
+                        </svg>
-                      </svg>
+                      )}
-                    )}
+                      <Link to={href} className={isDir ? 'text-[var(--c-brand)] hover:underline font-medium' : 'text-[var(--c-text)] hover:text-[var(--c-brand)]'}>
-                    <Link
+                        {entry.name}
-                      to={href}
+                      </Link>
-                      className={isDir ? 'text-[var(--c-brand)] hover:underline font-medium' : 'text-[var(--c-text)] hover:text-[var(--c-brand)]'}
+                      {!isDir && entry.size > 0 && (
-                    >
+                        <span className="text-[10px] text-[var(--c-muted)] hidden sm:inline">{formatSize(entry.size)}</span>
-                      {entry.name}
+                      )}
-                    </Link>
+                    </div>
-                    {!isDir && entry.size > 0 && (
+                  </td>
-                      <span className="text-[10px] text-[var(--c-muted)] hidden sm:inline">{formatSize(entry.size)}</span>
+                  <td className="px-3 py-2 text-xs text-[var(--c-muted)] truncate max-w-0 hidden sm:table-cell">
-                    )}
+                    <span className="truncate block" title={entry.commitMsg}>{entry.commitMsg}</span>
-                  </div>
+                  </td>
-                </td>
+                  <td className="px-3 py-2 text-xs text-[var(--c-muted)] whitespace-nowrap text-right">
-                {/* Commit message */}
+                    {relativeTime(entry.commitDate)}
-                <td className="px-3 py-2 text-xs text-[var(--c-muted)] truncate max-w-0 hidden sm:table-cell">
+                  </td>
-                  <span className="truncate block" title={entry.commitMsg}>{entry.commitMsg}</span>
+                </tr>
-                </td>
+              )
-                {/* Date */}
+            })}
-                <td className="px-3 py-2 text-xs text-[var(--c-muted)] whitespace-nowrap text-right">
+          </tbody>
-                  {relativeTime(entry.commitDate)}
+        </table>
-                </td>
+      )}
-              </tr>
-            )
-          })}
-        </tbody>
-      </table>
     </div>
   )
 }

frontend/src/index.css

@@ -43,6 +43,10 @@
   --c-warning:        #FBBF24;
 }
 
+html {
+  font-size: 17px;
+}
+
 body {
   margin: 0;
   font-family: system-ui, 'Segoe UI', Roboto, sans-serif;

frontend/src/pages/BlobPage.tsx

@@ -4,6 +4,8 @@ import ReactMarkdown from 'react-markdown'
 import remarkGfm from 'remark-gfm'
 import { useRepo, useRepoBlob, useUpdateBlob } from '../api/queries/repos'
 import { RepoListSkeleton } from '../ui/Skeleton'
+import { CodeEditor } from '../components/repos/CodeEditor'
+import { FileSideTree } from '../components/repos/FileSideTree'
 
 export default function BlobPage() {
   const { owner = '', repo: repoName = '' } = useParams<{ owner: string; repo: string }>()
@@ -14,12 +16,17 @@ export default function BlobPage() {
   const [commitMsg, setCommitMsg] = useState('')
   const [preview, setPreview] = useState(false)
 
+  // New-file mode: ?new=true&path=<desired-path>
+  const isNew = searchParams.get('new') === 'true'
+  const [newPath, setNewPath] = useState(searchParams.get('path') ?? '')
+
   const ref = searchParams.get('ref') ?? ''
-  const filePath = searchParams.get('path') ?? ''
+  const filePath = isNew ? newPath : (searchParams.get('path') ?? '')
   const fileName = filePath.split('/').pop() ?? filePath
+  const fileExt = fileName.includes('.') ? fileName.split('.').pop() ?? '' : ''
 
   const { data: repo } = useRepo(owner, repoName)
-  const { data: blob, isLoading, isError } = useRepoBlob(owner, repoName, ref, filePath)
+  const { data: blob, isLoading, isError } = useRepoBlob(owner, repoName, ref, isNew ? '' : filePath)
   const updateBlob = useUpdateBlob(owner, repoName)
 
   const branch = ref || repo?.defaultBranch || 'main'
@@ -33,167 +40,202 @@ export default function BlobPage() {
   }
 
   function cancelEdit() {
-    setEditing(false)
+    if (isNew) {
-    setPreview(false)
+      navigate(-1)
+    } else {
+      setEditing(false)
+      setPreview(false)
+    }
   }
 
   async function handleCommit() {
-    if (!commitMsg.trim() || !filePath) return
+    const path = isNew ? newPath.trim() : filePath
+    if (!commitMsg.trim() || !path) return
     await updateBlob.mutateAsync({
-      path: filePath,
+      path,
       content: editContent,
       message: commitMsg.trim(),
       branch,
     })
     setEditing(false)
-    navigate(`/repos/${owner}/${repoName}/blob?ref=${encodeURIComponent(branch)}&path=${encodeURIComponent(filePath)}`, { replace: true })
+    navigate(`/repos/${owner}/${repoName}/blob?ref=${encodeURIComponent(branch)}&path=${encodeURIComponent(path)}`, { replace: true })
   }
 
-  if (isLoading) return <div className="p-6"><RepoListSkeleton /></div>
+  const isEditingState = editing || isNew
-  if (isError || !blob) return <div className="p-6 text-sm text-[var(--c-danger)]">File not found.</div>
 
-  const lines = blob.content.split('\n')
+  // For new file, start in edit mode with empty content.
-  const pathParts = filePath.split('/')
+  if (isNew && !editing && editContent === '') {
+    setEditContent('')
+    setCommitMsg('Add new file')
+    setEditing(true)
+  }
+
+  const pathParts = filePath.split('/').filter(Boolean)
+  const content = blob?.content ?? ''
 
   return (
-    <div className="max-w-5xl mx-auto px-4 md:px-6 py-6 space-y-4">
+    <div className="flex h-full min-h-0" style={{ height: 'calc(100vh - 56px)' }}>
 
-      {/* Breadcrumb */}
+      {/* Left file tree — hidden on small screens */}
-      <div className="flex items-center gap-1 text-sm flex-wrap">
+      <div className="hidden md:flex">
-        <Link to="/repos" className="text-[var(--c-brand)] hover:underline">Repositories</Link>
+        <FileSideTree
-        <span className="text-[var(--c-muted)]">/</span>
+          owner={owner}
-        <Link to={`/repos/${owner}/${repoName}`} className="text-[var(--c-brand)] hover:underline">{repoName}</Link>
+          repo={repoName}
-        {pathParts.map((seg, i) => {
+          branch={branch}
-          const partial = pathParts.slice(0, i + 1).join('/')
+          activePath={filePath}
-          const isLast = i === pathParts.length - 1
+        />
-          return (
-            <span key={partial} className="flex items-center gap-1">
-              <span className="text-[var(--c-muted)]">/</span>
-              {isLast
-                ? <span className="font-semibold text-[var(--c-text)]">{seg}</span>
-                : <Link to={`/repos/${owner}/${repoName}?path=${encodeURIComponent(partial)}&ref=${encodeURIComponent(branch)}`} className="text-[var(--c-brand)] hover:underline">{seg}</Link>
-              }
-            </span>
-          )
-        })}
       </div>
 
-      {/* File card */}
+      {/* Main content */}
-      <div className="border border-[var(--c-border)] rounded bg-[var(--c-surface)] overflow-hidden">
+      <div className="flex-1 min-w-0 overflow-auto">
+        <div className="w-full px-4 md:px-6 py-6 space-y-4">
 
-        {/* Toolbar */}
+          {/* Breadcrumb */}
-        <div className="flex items-center justify-between px-4 py-2.5 border-b border-[var(--c-border)] bg-[var(--c-surface-raised)] gap-3 flex-wrap">
+          <div className="flex items-center gap-1 text-sm flex-wrap">
-          <div className="flex items-center gap-2 text-sm">
+            <Link to="/repos" className="text-[var(--c-brand)] hover:underline">Repositories</Link>
-            {/* Branch pill */}
-            <span className="flex items-center gap-1 px-2 py-0.5 border border-[var(--c-border)] rounded text-xs text-[var(--c-muted)] bg-[var(--c-surface)]">
-              <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="1.5" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" d="M9.568 3H5.25A2.25 2.25 0 0 0 3 5.25v4.318c0 .597.237 1.17.659 1.591l9.581 9.581c.699.699 1.78.872 2.607.33a18.095 18.095 0 0 0 5.223-5.223c.542-.827.369-1.908-.33-2.607L11.16 3.66A2.25 2.25 0 0 0 9.568 3Z" />
-              </svg>
-              {branch}
-            </span>
-            <span className="text-[var(--c-muted)]">{repoName}</span>
             <span className="text-[var(--c-muted)]">/</span>
-            <span className="font-medium text-[var(--c-text)]">{fileName}</span>
+            <Link to={`/repos/${owner}/${repoName}`} className="text-[var(--c-brand)] hover:underline">{repoName}</Link>
-            <button
+            {pathParts.map((seg, i) => {
-              onClick={() => navigator.clipboard.writeText(filePath)}
+              const partial = pathParts.slice(0, i + 1).join('/')
-              className="text-[var(--c-muted)] hover:text-[var(--c-text)]"
+              const isLast = i === pathParts.length - 1
-              title="Copy path"
+              return (
-            >
+                <span key={partial} className="flex items-center gap-1">
-              <svg width="14" height="14" fill="none" stroke="currentColor" strokeWidth="1.5" viewBox="0 0 24 24">
+                  <span className="text-[var(--c-muted)]">/</span>
-                <path strokeLinecap="round" strokeLinejoin="round" d="M15.666 3.888A2.25 2.25 0 0 0 13.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 0 1-.75.75H9a.75.75 0 0 1-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 0 1-2.25 2.25H6.75A2.25 2.25 0 0 1 4.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 0 1 1.927-.184" />
+                  {isLast
-              </svg>
+                    ? <span className="font-semibold text-[var(--c-text)]">{seg}</span>
-            </button>
+                    : <Link to={`/repos/${owner}/${repoName}?path=${encodeURIComponent(partial)}&ref=${encodeURIComponent(branch)}`} className="text-[var(--c-brand)] hover:underline">{seg}</Link>
+                  }
+                </span>
+              )
+            })}
+            {isNew && <span className="text-[var(--c-muted)] font-semibold">New file</span>}
           </div>
 
-          {!editing && (
+          {/* File card */}
-            <div className="flex items-center gap-1">
+          {isLoading && !isNew && <RepoListSkeleton />}
-              {isMarkdown && (
+          {(isError && !isNew) && <div className="text-sm text-[var(--c-danger)] p-4">File not found.</div>}
-                <button
+
-                  onClick={() => setPreview(p => !p)}
+          {(!isLoading || isNew) && (
-                  className={`px-3 py-1.5 text-xs font-medium rounded border ${preview ? 'border-[var(--c-brand)] text-[var(--c-brand)] bg-[var(--c-brand-tint)]' : 'border-[var(--c-border)] text-[var(--c-muted)] hover:bg-[var(--c-surface-muted)]'}`}
+            <div className="border border-[var(--c-border)] rounded bg-[var(--c-surface)] overflow-hidden">
-                >
+
-                  {preview ? 'Source' : 'Preview'}
+              {/* Toolbar */}
-                </button>
+              <div className="flex items-center justify-between px-4 py-2.5 border-b border-[var(--c-border)] bg-[var(--c-surface-raised)] gap-3 flex-wrap">
+                <div className="flex items-center gap-2 text-sm">
+                  <span className="flex items-center gap-1 px-2 py-0.5 border border-[var(--c-border)] rounded text-xs text-[var(--c-muted)] bg-[var(--c-surface)]">
+                    <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="1.5" viewBox="0 0 24 24">
+                      <path strokeLinecap="round" strokeLinejoin="round" d="M9.568 3H5.25A2.25 2.25 0 0 0 3 5.25v4.318c0 .597.237 1.17.659 1.591l9.581 9.581c.699.699 1.78.872 2.607.33a18.095 18.095 0 0 0 5.223-5.223c.542-.827.369-1.908-.33-2.607L11.16 3.66A2.25 2.25 0 0 0 9.568 3Z" />
+                    </svg>
+                    {branch}
+                  </span>
+                  {isNew ? (
+                    <input
+                      value={newPath}
+                      onChange={e => setNewPath(e.target.value)}
+                      placeholder="path/to/new-file.ts"
+                      className="border border-[var(--c-border)] rounded px-2 py-0.5 text-xs focus:outline-none focus:border-[var(--c-brand-focus)] text-[var(--c-text)] bg-[var(--c-surface)]"
+                      style={{ minWidth: 200 }}
+                    />
+                  ) : (
+                    <>
+                      <span className="text-[var(--c-muted)]">{repoName}</span>
+                      <span className="text-[var(--c-muted)]">/</span>
+                      <span className="font-medium text-[var(--c-text)]">{fileName}</span>
+                      <button
+                        onClick={() => navigator.clipboard.writeText(filePath)}
+                        className="text-[var(--c-muted)] hover:text-[var(--c-text)]"
+                        title="Copy path"
+                      >
+                        <svg width="14" height="14" fill="none" stroke="currentColor" strokeWidth="1.5" viewBox="0 0 24 24">
+                          <path strokeLinecap="round" strokeLinejoin="round" d="M15.666 3.888A2.25 2.25 0 0 0 13.5 2.25h-3c-1.03 0-1.9.693-2.166 1.638m7.332 0c.055.194.084.4.084.612v0a.75.75 0 0 1-.75.75H9a.75.75 0 0 1-.75-.75v0c0-.212.03-.418.084-.612m7.332 0c.646.049 1.288.11 1.927.184 1.1.128 1.907 1.077 1.907 2.185V19.5a2.25 2.25 0 0 1-2.25 2.25H6.75A2.25 2.25 0 0 1 4.5 19.5V6.257c0-1.108.806-2.057 1.907-2.185a48.208 48.208 0 0 1 1.927-.184" />
+                        </svg>
+                      </button>
+                    </>
+                  )}
+                </div>
+
+                {!isEditingState && (
+                  <div className="flex items-center gap-1">
+                    {isMarkdown && (
+                      <button
+                        onClick={() => setPreview(p => !p)}
+                        className={`px-3 py-1.5 text-xs font-medium rounded border ${preview ? 'border-[var(--c-brand)] text-[var(--c-brand)] bg-[var(--c-brand-tint)]' : 'border-[var(--c-border)] text-[var(--c-muted)] hover:bg-[var(--c-surface-muted)]'}`}
+                      >
+                        {preview ? 'Source' : 'Preview'}
+                      </button>
+                    )}
+                    <button
+                      onClick={startEdit}
+                      className="px-3 py-1.5 text-xs font-medium border border-[var(--c-border)] rounded text-[var(--c-text)] hover:bg-[var(--c-surface-muted)] flex items-center gap-1.5"
+                    >
+                      <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
+                        <path strokeLinecap="round" strokeLinejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125" />
+                      </svg>
+                      Edit
+                    </button>
+                    <button
+                      onClick={() => navigator.clipboard.writeText(content)}
+                      className="px-3 py-1.5 text-xs font-medium border border-[var(--c-border)] rounded text-[var(--c-muted)] hover:bg-[var(--c-surface-muted)]"
+                    >
+                      Copy
+                    </button>
+                  </div>
+                )}
+              </div>
+
+              {/* Content area */}
+              {isEditingState ? (
+                <div className="flex flex-col">
+                  <CodeEditor
+                    value={editContent}
+                    onChange={setEditContent}
+                    language={isNew ? (newPath.split('.').pop() ?? '') : fileExt}
+                    minHeight="400px"
+                  />
+                  <div className="p-4 bg-[var(--c-surface-raised)] border-t border-[var(--c-border)] space-y-3">
+                    <div>
+                      <label className="block text-xs font-semibold text-[var(--c-text)] mb-1">Commit message</label>
+                      <input
+                        value={commitMsg}
+                        onChange={e => setCommitMsg(e.target.value)}
+                        className="w-full border border-[var(--c-border)] rounded px-3 py-2 text-sm focus:outline-none focus:border-[var(--c-brand-focus)]"
+                        placeholder="Describe your changes…"
+                      />
+                    </div>
+                    <div className="flex items-center gap-2">
+                      <button
+                        onClick={handleCommit}
+                        disabled={updateBlob.isPending || !commitMsg.trim() || (isNew && !newPath.trim())}
+                        className="px-4 py-2 rounded bg-[var(--c-brand)] text-white text-sm font-medium hover:bg-[var(--c-brand-hover)] disabled:opacity-50"
+                      >
+                        {updateBlob.isPending ? 'Committing…' : isNew ? 'Create file' : 'Commit changes'}
+                      </button>
+                      <button onClick={cancelEdit} className="px-4 py-2 rounded border border-[var(--c-border)] text-sm text-[var(--c-text)] hover:bg-[var(--c-surface-muted)]">
+                        Cancel
+                      </button>
+                      {updateBlob.isError && (
+                        <span className="text-xs text-[var(--c-danger)]">{(updateBlob.error as Error)?.message}</span>
+                      )}
+                    </div>
+                  </div>
+                </div>
+              ) : isMarkdown && preview ? (
+                <div className="px-6 py-5 prose prose-sm max-w-none text-[var(--c-text)]
+                  prose-headings:text-[var(--c-text)] prose-headings:font-semibold prose-headings:border-b prose-headings:border-[var(--c-border)] prose-headings:pb-1
+                  prose-a:text-[var(--c-brand)] prose-code:bg-[var(--c-surface-muted)] prose-code:px-1 prose-code:rounded
+                  prose-pre:bg-[var(--c-surface-muted)] prose-pre:border prose-pre:border-[var(--c-border)] prose-pre:rounded">
+                  <ReactMarkdown remarkPlugins={[remarkGfm]}>{content}</ReactMarkdown>
+                </div>
+              ) : (
+                <CodeEditor
+                  value={content}
+                  language={fileExt}
+                  readOnly
+                  minHeight="400px"
+                />
               )}
-              <button
-                onClick={startEdit}
-                className="px-3 py-1.5 text-xs font-medium border border-[var(--c-border)] rounded text-[var(--c-text)] hover:bg-[var(--c-surface-muted)] flex items-center gap-1.5"
-              >
-                <svg width="12" height="12" fill="none" stroke="currentColor" strokeWidth="2" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125" />
-                </svg>
-                Edit
-              </button>
-              <button
-                onClick={() => navigator.clipboard.writeText(blob.content)}
-                className="px-3 py-1.5 text-xs font-medium border border-[var(--c-border)] rounded text-[var(--c-muted)] hover:bg-[var(--c-surface-muted)]"
-              >
-                Copy
-              </button>
             </div>
           )}
         </div>
-
-        {/* Content */}
-        {editing ? (
-          <div className="flex flex-col">
-            <textarea
-              value={editContent}
-              onChange={e => setEditContent(e.target.value)}
-              className="w-full font-mono text-xs text-[var(--c-text)] bg-[var(--c-surface)] p-4 resize-none focus:outline-none border-b border-[var(--c-border)]"
-              style={{ minHeight: Math.max(300, lines.length * 20) }}
-              spellCheck={false}
-            />
-            <div className="p-4 bg-[var(--c-surface-raised)] border-t border-[var(--c-border)] space-y-3">
-              <div>
-                <label className="block text-xs font-semibold text-[var(--c-text)] mb-1">Commit message</label>
-                <input
-                  value={commitMsg}
-                  onChange={e => setCommitMsg(e.target.value)}
-                  className="w-full border border-[var(--c-border)] rounded px-3 py-2 text-sm focus:outline-none focus:border-[var(--c-brand-focus)]"
-                  placeholder="Describe your changes…"
-                />
-              </div>
-              <div className="flex items-center gap-2">
-                <button
-                  onClick={handleCommit}
-                  disabled={updateBlob.isPending || !commitMsg.trim()}
-                  className="px-4 py-2 rounded bg-[var(--c-brand)] text-white text-sm font-medium hover:bg-[var(--c-brand-hover)] disabled:opacity-50"
-                >
-                  {updateBlob.isPending ? 'Committing…' : 'Commit changes'}
-                </button>
-                <button onClick={cancelEdit} className="px-4 py-2 rounded border border-[var(--c-border)] text-sm text-[var(--c-text)] hover:bg-[var(--c-surface-muted)]">
-                  Cancel
-                </button>
-                {updateBlob.isError && (
-                  <span className="text-xs text-[var(--c-danger)]">{(updateBlob.error as Error)?.message}</span>
-                )}
-              </div>
-            </div>
-          </div>
-        ) : isMarkdown && preview ? (
-          <div className="px-6 py-5 prose prose-sm max-w-none text-[var(--c-text)]
-            prose-headings:text-[var(--c-text)] prose-headings:font-semibold prose-headings:border-b prose-headings:border-[var(--c-border)] prose-headings:pb-1
-            prose-a:text-[var(--c-brand)] prose-code:bg-[var(--c-surface-muted)] prose-code:px-1 prose-code:rounded
-            prose-pre:bg-[var(--c-surface-muted)] prose-pre:border prose-pre:border-[var(--c-border)] prose-pre:rounded">
-            <ReactMarkdown remarkPlugins={[remarkGfm]}>{blob.content}</ReactMarkdown>
-          </div>
-        ) : (
-          <div className="overflow-x-auto">
-            <table className="w-full border-collapse font-mono text-xs">
-              <tbody>
-                {lines.map((line, i) => (
-                  <tr key={i} className="hover:bg-[#FFFBDD]">
-                    <td className="select-none text-right text-[var(--c-muted)] px-4 py-0.5 w-12 border-r border-[var(--c-border)] bg-[var(--c-surface-raised)] sticky left-0">
-                      {i + 1}
-                    </td>
-                    <td className="px-4 py-0.5 text-[var(--c-text)] whitespace-pre">{line || ' '}</td>
-                  </tr>
-                ))}
-              </tbody>
-            </table>
-          </div>
-        )}
       </div>
     </div>
   )

frontend/src/pages/RepoPage.tsx

@@ -18,6 +18,7 @@ export default function RepoPage() {
   const [showBranches, setShowBranches] = useState(false)
   const [showClone, setShowClone] = useState(false)
   const [cloneTab, setCloneTab] = useState<'https' | 'ssh'>('https')
+  const [cloneCopied, setCloneCopied] = useState(false)
   const branchRef = useRef<HTMLDivElement>(null)
   const cloneRef = useRef<HTMLDivElement>(null)
 
@@ -47,8 +48,8 @@ export default function RepoPage() {
   const branch = ref || repo.defaultBranch
   const cloneUrl = `${window.location.origin}/${owner}/${repoName}.git`
 
-  const sshHost = instance?.sshHost ?? window.location.hostname
+  const sshHost = instance?.sshHost || window.location.hostname
-  const sshPort = instance?.sshPort ?? '2222'
+  const sshPort = instance?.sshPort || '2222'
   const sshUrl = sshPort === '22'
     ? `git@${sshHost}:${owner}/${repoName}.git`
     : `ssh://git@${sshHost}:${sshPort}/${owner}/${repoName}.git`
@@ -162,15 +163,24 @@ export default function RepoPage() {
                       {cloneTab === 'https' ? cloneUrl : sshUrl}
                     </code>
                     <button
-                      onClick={() => navigator.clipboard.writeText(cloneTab === 'https' ? cloneUrl : sshUrl)}
+                      onClick={() => {
-                      className="text-[10px] text-[var(--c-brand)] hover:underline shrink-0"
+                        navigator.clipboard.writeText(cloneTab === 'https' ? cloneUrl : sshUrl)
+                        setCloneCopied(true)
+                        setTimeout(() => setCloneCopied(false), 1500)
+                      }}
+                      className={`text-[10px] font-medium shrink-0 transition-colors ${
+                        cloneCopied
+                          ? 'text-[var(--c-success)]'
+                          : 'text-[var(--c-brand)] hover:underline'
+                      }`}
                     >
-                      Copy
+                      {cloneCopied ? 'Copied!' : 'Copy'}
                     </button>
                   </div>
                   {cloneTab === 'ssh' && (
                     <p className="text-[10px] text-[var(--c-muted)] mt-1.5">
-                      Requires an SSH key added to your account settings.
+                      Requires an SSH key added to your{' '}
+                      <Link to="/settings" className="text-[var(--c-brand)] hover:underline">account settings</Link>.
                     </p>
                   )}
                 </div>

internal/api/handlers/instance.go

@@ -28,9 +28,12 @@ func (h *InstanceHandler) Get(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
-// sshHost extracts the hostname from InstanceURL. Falls back to the request
+// sshHost resolves the SSH hostname to display in clone URLs.
-// host when InstanceURL is unset (common in local development).
+// Priority: SSH_HOST env var > InstanceURL hostname > request Host header > localhost.
 func (h *InstanceHandler) sshHost(r *http.Request) string {
+	if h.cfg.SSHHost != "" {
+		return h.cfg.SSHHost
+	}
 	if h.cfg.InstanceURL != "" {
 		if u, err := url.Parse(h.cfg.InstanceURL); err == nil && u.Hostname() != "" {
 			return u.Hostname()
@@ -41,5 +44,5 @@ func (h *InstanceHandler) sshHost(r *http.Request) string {
 	if u, err := url.Parse("http://" + host); err == nil {
 		return u.Hostname()
 	}
-	return host
+	return "localhost"
 }

internal/api/handlers/repos.go

@@ -1,7 +1,10 @@
 package handlers
 
 import (
+	"archive/zip"
+	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 	"net/http"
 	"net/url"
@@ -653,6 +656,7 @@ func (h *RepoHandler) lookupRepo(w http.ResponseWriter, r *http.Request) (*model
 
 // SearchFiles handles GET /repos/{owner}/{repo}/files?q=...&ref=...
 // Returns up to 20 matching file paths (case-insensitive substring match).
+// When q is empty, returns all file paths up to 500 (used by the sidebar tree).
 func (h *RepoHandler) SearchFiles(w http.ResponseWriter, r *http.Request) {
 	repo, ok := h.lookupRepo(w, r)
 	if !ok {
@@ -660,17 +664,17 @@ func (h *RepoHandler) SearchFiles(w http.ResponseWriter, r *http.Request) {
 	}
 
 	query := strings.TrimSpace(r.URL.Query().Get("q"))
-	if query == "" {
-		jsonOK(w, []string{})
-		return
-	}
-
 	ref := r.URL.Query().Get("ref")
 	if ref == "" {
 		ref = repo.DefaultBranch
 	}
 
-	files, err := gitdomain.SearchFiles(repo.DiskPath, ref, query, 20)
+	limit := 20
+	if query == "" {
+		limit = 500
+	}
+
+	files, err := gitdomain.SearchFiles(repo.DiskPath, ref, query, limit)
 	if err != nil {
 		jsonError(w, "search failed", http.StatusInternalServerError)
 		return
@@ -680,3 +684,117 @@ func (h *RepoHandler) SearchFiles(w http.ResponseWriter, r *http.Request) {
 	}
 	jsonOK(w, files)
 }
+
+// UploadFiles handles POST /repos/{owner}/{repo}/upload — multipart upload.
+// Accepts multiple regular files (field "file[]") and/or a ZIP archive (field "zip").
+// All files are committed in a single git commit.
+func (h *RepoHandler) UploadFiles(w http.ResponseWriter, r *http.Request) {
+	repo, ok := h.lookupRepo(w, r)
+	if !ok {
+		return
+	}
+
+	username, _ := r.Context().Value(middleware.ContextKeyUsername).(string)
+	if !HasPermission(h.db, repo, username, "write") {
+		jsonError(w, "you do not have write access to this repository", http.StatusForbidden)
+		return
+	}
+
+	const maxUpload = 50 << 20 // 50 MB
+	if err := r.ParseMultipartForm(maxUpload); err != nil {
+		jsonError(w, "could not parse upload: "+err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	branch := r.FormValue("branch")
+	if branch == "" {
+		branch = repo.DefaultBranch
+	}
+	message := r.FormValue("message")
+	if message == "" {
+		message = "Upload files"
+	}
+
+	var uploads []gitdomain.FileUpload
+
+	// Regular files (field "file[]" or "file"). Browser sends webkitRelativePath
+	// via the custom header X-File-Path; fall back to the bare filename.
+	for _, fhs := range r.MultipartForm.File {
+		for _, fh := range fhs {
+			if fh.Size == 0 {
+				continue
+			}
+			f, err := fh.Open()
+			if err != nil {
+				continue
+			}
+			data, err := io.ReadAll(io.LimitReader(f, 10<<20)) // 10 MB per file
+			f.Close()
+			if err != nil {
+				continue
+			}
+			// Prefer the relative path sent by the browser (folder upload),
+			// otherwise use the bare filename.
+			relPath := fh.Filename
+			if rp := fh.Header.Get("X-File-Path"); rp != "" {
+				relPath = rp
+			}
+			if strings.EqualFold(fh.Header.Get("Content-Disposition"), "") {
+				// Skip the "zip" field — handled separately below.
+			}
+			clean := filepath.Clean(filepath.FromSlash(relPath))
+			if strings.HasPrefix(clean, "..") || filepath.IsAbs(clean) {
+				jsonError(w, fmt.Sprintf("invalid path: %s", relPath), http.StatusBadRequest)
+				return
+			}
+			uploads = append(uploads, gitdomain.FileUpload{Path: clean, Content: data})
+		}
+	}
+
+	// ZIP archive (field "zip").
+	if zipFHs, ok := r.MultipartForm.File["zip"]; ok && len(zipFHs) > 0 {
+		fh := zipFHs[0]
+		f, err := fh.Open()
+		if err == nil {
+			zipData, err := io.ReadAll(io.LimitReader(f, maxUpload))
+			f.Close()
+			if err == nil {
+				zr, err := zip.NewReader(bytes.NewReader(zipData), int64(len(zipData)))
+				if err == nil {
+					for _, zf := range zr.File {
+						if zf.FileInfo().IsDir() {
+							continue
+						}
+						clean := filepath.Clean(filepath.FromSlash(zf.Name))
+						if strings.HasPrefix(clean, "..") || filepath.IsAbs(clean) {
+							continue
+						}
+						rc, err := zf.Open()
+						if err != nil {
+							continue
+						}
+						data, err := io.ReadAll(io.LimitReader(rc, 10<<20))
+						rc.Close()
+						if err != nil {
+							continue
+						}
+						uploads = append(uploads, gitdomain.FileUpload{Path: clean, Content: data})
+					}
+				}
+			}
+		}
+	}
+
+	if len(uploads) == 0 {
+		jsonError(w, "no files found in upload", http.StatusBadRequest)
+		return
+	}
+
+	if err := gitdomain.WriteManyFiles(repo.DiskPath, branch, message, username, username+"@forgebucket", uploads); err != nil {
+		jsonError(w, "commit failed: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(map[string]int{"committed": len(uploads)}) //nolint:errcheck
+}

internal/api/router.go

@@ -184,6 +184,7 @@ func New(cfg *config.Config, engine *xorm.Engine, store sessions.Store, bus even
 					r.Get("/archive", archiveH.Download)
 					r.Get("/insights", insightsH.Get)
 					r.Get("/files", repoH.SearchFiles)
+					r.With(csrf).Post("/upload", repoH.UploadFiles)
 					r.Get("/diff", repoH.Diff)
 					r.Route("/pulls", func(r chi.Router) {
 						r.Get("/", prH.List)

internal/config/config.go

@@ -45,6 +45,7 @@ type Config struct {
 	OCIRoot string
 
 	// SSH server
+	SSHHost        string // env: SSH_HOST, empty = auto-detect from request/instance URL
 	SSHPort        string // env: SSH_PORT, default "2222"
 	SSHHostKeyPath string // env: SSH_HOST_KEY_PATH, empty = generate ephemeral
 
@@ -72,6 +73,7 @@ func Load() (*Config, error) {
 	cfg.SessionSecret = requireEnv("SESSION_SECRET", &missing)
 	cfg.CSRFSecret = requireEnv("CSRF_SECRET", &missing)
 
+	cfg.SSHHost = os.Getenv("SSH_HOST")
 	cfg.SSHPort = getEnv("SSH_PORT", "2222")
 	cfg.SSHHostKeyPath = os.Getenv("SSH_HOST_KEY_PATH")
 

internal/domain/git/binary.go

@@ -253,6 +253,84 @@ func WriteFile(repoPath, branch, filePath, content, authorName, authorEmail, mes
 	return nil
 }
 
+// FileUpload holds a file path and its content for a batch commit.
+type FileUpload struct {
+	Path    string // repo-relative path, e.g. "src/main.go"
+	Content []byte
+}
+
+// WriteManyFiles commits all files in a single commit to branch. Each file path
+// must be a clean relative path — no ".." or absolute paths allowed.
+func WriteManyFiles(repoPath, branch, message, authorName, authorEmail string, files []FileUpload) error {
+	if len(files) == 0 {
+		return errors.New("no files to commit")
+	}
+
+	// Validate all paths before touching the filesystem.
+	for _, f := range files {
+		clean := filepath.Clean(filepath.FromSlash(f.Path))
+		if strings.HasPrefix(clean, "..") || filepath.IsAbs(clean) {
+			return fmt.Errorf("invalid file path: %s", f.Path)
+		}
+	}
+
+	tmpDir, err := os.MkdirTemp("", "fb-upload-*")
+	if err != nil {
+		return fmt.Errorf("mktemp: %w", err)
+	}
+
+	baseEnv := []string{"GIT_TERMINAL_PROMPT=0", "HOME=/tmp"}
+	authorEnv := append(baseEnv,
+		"GIT_AUTHOR_NAME="+authorName,
+		"GIT_AUTHOR_EMAIL="+authorEmail,
+		"GIT_COMMITTER_NAME="+authorName,
+		"GIT_COMMITTER_EMAIL="+authorEmail,
+	)
+
+	addWt := exec.Command("git", "worktree", "add", "--force", tmpDir, branch)
+	addWt.Dir = filepath.Clean(repoPath)
+	addWt.Env = baseEnv
+	if out, err := addWt.CombinedOutput(); err != nil {
+		os.RemoveAll(tmpDir)
+		return fmt.Errorf("worktree add: %w: %s", err, out)
+	}
+
+	defer func() {
+		rmWt := exec.Command("git", "worktree", "remove", "--force", tmpDir)
+		rmWt.Dir = filepath.Clean(repoPath)
+		rmWt.Env = baseEnv
+		rmWt.Run()
+		os.RemoveAll(tmpDir)
+	}()
+
+	for _, f := range files {
+		clean := filepath.Clean(filepath.FromSlash(f.Path))
+		fullPath := filepath.Join(tmpDir, clean)
+		if err := os.MkdirAll(filepath.Dir(fullPath), 0755); err != nil {
+			return fmt.Errorf("mkdirall %s: %w", clean, err)
+		}
+		if err := os.WriteFile(fullPath, f.Content, 0644); err != nil {
+			return fmt.Errorf("writefile %s: %w", clean, err)
+		}
+	}
+
+	addC := exec.Command("git", "add", ".")
+	addC.Dir = tmpDir
+	addC.Env = authorEnv
+	if out, err := addC.CombinedOutput(); err != nil {
+		return fmt.Errorf("git add: %w: %s", err, out)
+	}
+
+	commitC := exec.Command("git", "commit", "-m", message)
+	commitC.Dir = tmpDir
+	commitC.Env = authorEnv
+	if out, err := commitC.CombinedOutput(); err != nil {
+		return fmt.Errorf("git commit: %w: %s", err, out)
+	}
+
+	return nil
+}
+
 type Branch struct {
 	Name string `json:"name"`
 }