Merge branch 'main' into feat/39-structured-logging

Dockerfile

@@ -3,19 +3,21 @@ RUN corepack enable && corepack prepare pnpm@latest --activate
 WORKDIR /app
 
 FROM base AS deps
+# Copy only dependency manifests first for better layer caching
 COPY package.json ./
-COPY . .
+COPY pnpm-lock.yaml* ./
 # better-sqlite3 requires native compilation tools
 RUN apt-get update && apt-get install -y python3 make g++ --no-install-recommends && rm -rf /var/lib/apt/lists/*
 RUN if [ -f pnpm-lock.yaml ]; then \
       pnpm install --frozen-lockfile; \
     else \
-      echo "WARN: pnpm-lock.yaml not found in build context; running non-frozen install"; \
+      echo "WARN: pnpm-lock.yaml not found in build context; running non-frozen install" && \
       pnpm install --no-frozen-lockfile; \
     fi
 
 FROM base AS build
-COPY --from=deps /app ./
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
 RUN pnpm build
 
 FROM node:20-slim AS runtime
@@ -24,8 +26,8 @@ ENV NODE_ENV=production
 RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs
 COPY --from=build /app/.next/standalone ./
 COPY --from=build /app/.next/static ./.next/static
-# Copy public directory if it exists (may not exist in all setups)
-COPY --from=build /app/public* ./public/
+# Copy schema.sql needed by migration 001_init at runtime
+COPY --from=build /app/src/lib/schema.sql ./src/lib/schema.sql
 # Create data directory with correct ownership for SQLite
 RUN mkdir -p .data && chown nextjs:nodejs .data
 RUN apt-get update && apt-get install -y curl --no-install-recommends && rm -rf /var/lib/apt/lists/*

docker-compose.yml

@@ -1,9 +1,12 @@
 services:
   mission-control:
     build: .
+    container_name: mission-control
     ports:
-      - "3000:3000"
-    env_file: .env
+      - "${MC_PORT:-3000}:3000"
+    env_file:
+      - path: .env
+        required: false
     volumes:
       - mc-data:/app/.data
     restart: unless-stopped

next.config.js

@@ -2,6 +2,8 @@
 const nextConfig = {
   output: 'standalone',
   turbopack: {},
+  // Transpile ESM-only packages so they resolve correctly in all environments
+  transpilePackages: ['react-markdown', 'remark-gfm'],
   
   // Security headers
   async headers() {

src/app/[[...panel]]/page.tsx

@@ -140,6 +140,9 @@ export default function Home() {
 
   return (
     <div className="flex h-screen bg-background overflow-hidden">
+      <a href="#main-content" className="sr-only focus:not-sr-only focus:absolute focus:z-50 focus:top-2 focus:left-2 focus:px-4 focus:py-2 focus:bg-primary focus:text-primary-foreground focus:rounded-md focus:text-sm focus:font-medium">
+        Skip to main content
+      </a>
       {/* Left: Icon rail navigation (hidden on mobile, shown as bottom bar instead) */}
       <NavRail />
 
@@ -149,7 +152,7 @@ export default function Home() {
         <LocalModeBanner />
         <UpdateBanner />
         <PromoBanner />
-        <main className="flex-1 overflow-auto pb-16 md:pb-0" role="main">
+        <main id="main-content" className="flex-1 overflow-auto pb-16 md:pb-0" role="main">
           <div aria-live="polite">
             <ErrorBoundary key={activeTab}>
               <ContentRouter tab={activeTab} />

src/components/panels/agent-detail-tabs.tsx

@@ -1244,6 +1244,8 @@ export function ConfigTab({
   const [jsonInput, setJsonInput] = useState('')
   const [availableModels, setAvailableModels] = useState<string[]>([])
   const [newFallbackModel, setNewFallbackModel] = useState('')
+  const [newAllowTool, setNewAllowTool] = useState('')
+  const [newDenyTool, setNewDenyTool] = useState('')
 
   useEffect(() => {
     setConfig(agent.config || {})
@@ -1292,6 +1294,40 @@ export function ConfigTab({
     setNewFallbackModel('')
   }
 
+  const updateIdentityField = (field: string, value: string) => {
+    setConfig((prev: any) => ({
+      ...prev,
+      identity: { ...(prev.identity || {}), [field]: value },
+    }))
+  }
+
+  const updateSandboxField = (field: string, value: string) => {
+    setConfig((prev: any) => ({
+      ...prev,
+      sandbox: { ...(prev.sandbox || {}), [field]: value },
+    }))
+  }
+
+  const addTool = (list: 'allow' | 'deny', value: string) => {
+    const trimmed = value.trim()
+    if (!trimmed) return
+    setConfig((prev: any) => {
+      const tools = prev.tools || {}
+      const existing = Array.isArray(tools[list]) ? tools[list] : []
+      if (existing.includes(trimmed)) return prev
+      return { ...prev, tools: { ...tools, [list]: [...existing, trimmed] } }
+    })
+  }
+
+  const removeTool = (list: 'allow' | 'deny', index: number) => {
+    setConfig((prev: any) => {
+      const tools = prev.tools || {}
+      const existing = Array.isArray(tools[list]) ? [...tools[list]] : []
+      existing.splice(index, 1)
+      return { ...prev, tools: { ...tools, [list]: existing } }
+    })
+  }
+
   const handleSave = async (writeToGateway: boolean = false) => {
     setSaving(true)
     setError(null)
@@ -1479,60 +1515,205 @@ export function ConfigTab({
           {/* Identity */}
           <div className="bg-surface-1/50 rounded-lg p-4">
             <h5 className="text-sm font-medium text-foreground mb-2">Identity</h5>
-            <div className="flex items-center gap-3 text-sm">
-              <span className="text-2xl">{identityEmoji}</span>
-              <div>
-                <div className="text-foreground font-medium">{identityName}</div>
-                <div className="text-muted-foreground">{identityTheme}</div>
+            {editing ? (
+              <div className="space-y-3">
+                <div className="grid grid-cols-3 gap-3">
+                  <div>
+                    <label className="block text-xs text-muted-foreground mb-1">Emoji</label>
+                    <input
+                      value={identityEmoji}
+                      onChange={(e) => updateIdentityField('emoji', e.target.value)}
+                      className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm text-center focus:outline-none focus:ring-1 focus:ring-primary/50"
+                      placeholder="🤖"
+                    />
+                  </div>
+                  <div>
+                    <label className="block text-xs text-muted-foreground mb-1">Name</label>
+                    <input
+                      value={identity.name || ''}
+                      onChange={(e) => updateIdentityField('name', e.target.value)}
+                      className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-primary/50"
+                      placeholder="Agent name"
+                    />
+                  </div>
+                  <div>
+                    <label className="block text-xs text-muted-foreground mb-1">Theme / Role</label>
+                    <input
+                      value={identity.theme || ''}
+                      onChange={(e) => updateIdentityField('theme', e.target.value)}
+                      className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-primary/50"
+                      placeholder="e.g. backend engineer"
+                    />
+                  </div>
+                </div>
+                <div>
+                  <label className="block text-xs text-muted-foreground mb-1">Identity content</label>
+                  <textarea
+                    value={identity.content || ''}
+                    onChange={(e) => updateIdentityField('content', e.target.value)}
+                    rows={4}
+                    className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 font-mono text-xs focus:outline-none focus:ring-1 focus:ring-primary/50"
+                    placeholder="Describe the agent's identity and personality..."
+                  />
+                </div>
               </div>
-            </div>
-            {identityPreview && (
-              <pre className="mt-3 text-xs text-muted-foreground bg-surface-1 rounded p-2 overflow-auto whitespace-pre-wrap">
-                {identityPreview}
-              </pre>
+            ) : (
+              <>
+                <div className="flex items-center gap-3 text-sm">
+                  <span className="text-2xl">{identityEmoji}</span>
+                  <div>
+                    <div className="text-foreground font-medium">{identityName}</div>
+                    <div className="text-muted-foreground">{identityTheme}</div>
+                  </div>
+                </div>
+                {identityPreview && (
+                  <pre className="mt-3 text-xs text-muted-foreground bg-surface-1 rounded p-2 overflow-auto whitespace-pre-wrap">
+                    {identityPreview}
+                  </pre>
+                )}
+              </>
             )}
           </div>
 
           {/* Sandbox */}
           <div className="bg-surface-1/50 rounded-lg p-4">
             <h5 className="text-sm font-medium text-foreground mb-2">Sandbox</h5>
-            <div className="grid grid-cols-3 gap-2 text-sm">
-              <div><span className="text-muted-foreground">Mode:</span> <span className="text-foreground">{sandboxMode}</span></div>
-              <div><span className="text-muted-foreground">Workspace:</span> <span className="text-foreground">{sandboxWorkspace}</span></div>
-              <div><span className="text-muted-foreground">Network:</span> <span className="text-foreground">{sandboxNetwork}</span></div>
-            </div>
+            {editing ? (
+              <div className="grid grid-cols-3 gap-3">
+                <div>
+                  <label className="block text-xs text-muted-foreground mb-1">Mode</label>
+                  <select
+                    value={sandbox.mode || ''}
+                    onChange={(e) => updateSandboxField('mode', e.target.value)}
+                    className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-primary/50"
+                  >
+                    <option value="">Not configured</option>
+                    <option value="all">All</option>
+                    <option value="non-main">Non-main</option>
+                    <option value="none">None</option>
+                  </select>
+                </div>
+                <div>
+                  <label className="block text-xs text-muted-foreground mb-1">Workspace Access</label>
+                  <select
+                    value={sandbox.workspaceAccess || ''}
+                    onChange={(e) => updateSandboxField('workspaceAccess', e.target.value)}
+                    className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-primary/50"
+                  >
+                    <option value="">Not configured</option>
+                    <option value="rw">Read-write</option>
+                    <option value="ro">Read-only</option>
+                    <option value="none">None</option>
+                  </select>
+                </div>
+                <div>
+                  <label className="block text-xs text-muted-foreground mb-1">Network</label>
+                  <input
+                    value={sandbox.network || ''}
+                    onChange={(e) => updateSandboxField('network', e.target.value)}
+                    className="w-full bg-surface-1 text-foreground rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-primary/50"
+                    placeholder="none"
+                  />
+                </div>
+              </div>
+            ) : (
+              <div className="grid grid-cols-3 gap-2 text-sm">
+                <div><span className="text-muted-foreground">Mode:</span> <span className="text-foreground">{sandboxMode}</span></div>
+                <div><span className="text-muted-foreground">Workspace:</span> <span className="text-foreground">{sandboxWorkspace}</span></div>
+                <div><span className="text-muted-foreground">Network:</span> <span className="text-foreground">{sandboxNetwork}</span></div>
+              </div>
+            )}
           </div>
 
           {/* Tools */}
           <div className="bg-surface-1/50 rounded-lg p-4">
             <h5 className="text-sm font-medium text-foreground mb-2">Tools</h5>
-            {toolAllow.length > 0 && (
-              <div className="mb-2">
-                <span className="text-xs text-green-400 font-medium">Allow ({toolAllow.length}):</span>
-                <div className="flex flex-wrap gap-1 mt-1">
-                  {toolAllow.map((tool: string) => (
-                    <span key={tool} className="px-2 py-0.5 text-xs bg-green-500/10 text-green-400 rounded border border-green-500/20">{tool}</span>
-                  ))}
+            {editing ? (
+              <div className="space-y-3">
+                <div>
+                  <label className="block text-xs text-green-400 font-medium mb-1">Allow list</label>
+                  <div className="flex flex-wrap gap-1 mb-2">
+                    {toolAllow.map((tool: string, i: number) => (
+                      <span key={`${tool}-${i}`} className="px-2 py-0.5 text-xs bg-green-500/10 text-green-400 rounded border border-green-500/20 flex items-center gap-1">
+                        {tool}
+                        <button onClick={() => removeTool('allow', i)} className="text-green-400/60 hover:text-green-400 ml-1">&times;</button>
+                      </span>
+                    ))}
+                  </div>
+                  <div className="flex gap-2">
+                    <input
+                      value={newAllowTool}
+                      onChange={(e) => setNewAllowTool(e.target.value)}
+                      onKeyDown={(e) => { if (e.key === 'Enter') { e.preventDefault(); addTool('allow', newAllowTool); setNewAllowTool('') } }}
+                      placeholder="Add allowed tool name"
+                      className="flex-1 bg-surface-1 text-foreground rounded px-3 py-2 text-xs focus:outline-none focus:ring-1 focus:ring-primary/50"
+                    />
+                    <button
+                      onClick={() => { addTool('allow', newAllowTool); setNewAllowTool('') }}
+                      className="px-3 py-2 text-xs bg-green-500/20 text-green-400 border border-green-500/30 rounded hover:bg-green-500/30 transition-smooth"
+                    >
+                      Add
+                    </button>
+                  </div>
+                </div>
+                <div>
+                  <label className="block text-xs text-red-400 font-medium mb-1">Deny list</label>
+                  <div className="flex flex-wrap gap-1 mb-2">
+                    {toolDeny.map((tool: string, i: number) => (
+                      <span key={`${tool}-${i}`} className="px-2 py-0.5 text-xs bg-red-500/10 text-red-400 rounded border border-red-500/20 flex items-center gap-1">
+                        {tool}
+                        <button onClick={() => removeTool('deny', i)} className="text-red-400/60 hover:text-red-400 ml-1">&times;</button>
+                      </span>
+                    ))}
+                  </div>
+                  <div className="flex gap-2">
+                    <input
+                      value={newDenyTool}
+                      onChange={(e) => setNewDenyTool(e.target.value)}
+                      onKeyDown={(e) => { if (e.key === 'Enter') { e.preventDefault(); addTool('deny', newDenyTool); setNewDenyTool('') } }}
+                      placeholder="Add denied tool name"
+                      className="flex-1 bg-surface-1 text-foreground rounded px-3 py-2 text-xs focus:outline-none focus:ring-1 focus:ring-primary/50"
+                    />
+                    <button
+                      onClick={() => { addTool('deny', newDenyTool); setNewDenyTool('') }}
+                      className="px-3 py-2 text-xs bg-red-500/20 text-red-400 border border-red-500/30 rounded hover:bg-red-500/30 transition-smooth"
+                    >
+                      Add
+                    </button>
+                  </div>
                 </div>
               </div>
-            )}
-            {toolDeny.length > 0 && (
-              <div>
-                <span className="text-xs text-red-400 font-medium">Deny ({toolDeny.length}):</span>
-                <div className="flex flex-wrap gap-1 mt-1">
-                  {toolDeny.map((tool: string) => (
-                    <span key={tool} className="px-2 py-0.5 text-xs bg-red-500/10 text-red-400 rounded border border-red-500/20">{tool}</span>
-                  ))}
-                </div>
-              </div>
-            )}
-            {toolAllow.length === 0 && toolDeny.length === 0 && !toolRawPreview && (
-              <div className="text-xs text-muted-foreground">No tools configured</div>
-            )}
-            {toolRawPreview && (
-              <pre className="mt-3 text-xs text-muted-foreground bg-surface-1 rounded p-2 overflow-auto whitespace-pre-wrap">
-                {toolRawPreview}
-              </pre>
+            ) : (
+              <>
+                {toolAllow.length > 0 && (
+                  <div className="mb-2">
+                    <span className="text-xs text-green-400 font-medium">Allow ({toolAllow.length}):</span>
+                    <div className="flex flex-wrap gap-1 mt-1">
+                      {toolAllow.map((tool: string) => (
+                        <span key={tool} className="px-2 py-0.5 text-xs bg-green-500/10 text-green-400 rounded border border-green-500/20">{tool}</span>
+                      ))}
+                    </div>
+                  </div>
+                )}
+                {toolDeny.length > 0 && (
+                  <div>
+                    <span className="text-xs text-red-400 font-medium">Deny ({toolDeny.length}):</span>
+                    <div className="flex flex-wrap gap-1 mt-1">
+                      {toolDeny.map((tool: string) => (
+                        <span key={tool} className="px-2 py-0.5 text-xs bg-red-500/10 text-red-400 rounded border border-red-500/20">{tool}</span>
+                      ))}
+                    </div>
+                  </div>
+                )}
+                {toolAllow.length === 0 && toolDeny.length === 0 && !toolRawPreview && (
+                  <div className="text-xs text-muted-foreground">No tools configured</div>
+                )}
+                {toolRawPreview && (
+                  <pre className="mt-3 text-xs text-muted-foreground bg-surface-1 rounded p-2 overflow-auto whitespace-pre-wrap">
+                    {toolRawPreview}
+                  </pre>
+                )}
+              </>
             )}
           </div>
 

src/components/panels/task-board-panel.tsx

@@ -3,7 +3,11 @@
 import { useState, useEffect, useCallback, useRef } from 'react'
 import { useMissionControl } from '@/store'
 import { useSmartPoll } from '@/lib/use-smart-poll'
+
 import { createClientLogger } from '@/lib/client-logger'
+
+import { useFocusTrap } from '@/lib/use-focus-trap'
+
 import { AgentAvatar } from '@/components/ui/agent-avatar'
 import { MarkdownRenderer } from '@/components/markdown-renderer'
 
@@ -271,8 +275,8 @@ export function TaskBoardPanel() {
 
   if (loading) {
     return (
-      <div className="flex items-center justify-center h-64">
-        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary"></div>
+      <div className="flex items-center justify-center h-64" role="status" aria-live="polite">
+        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary" aria-hidden="true"></div>
         <span className="ml-2 text-muted-foreground">Loading tasks...</span>
       </div>
     )
@@ -301,11 +305,12 @@ export function TaskBoardPanel() {
 
       {/* Error Display */}
       {error && (
-        <div className="bg-red-500/10 border border-red-500/20 text-red-400 p-3 m-4 rounded-lg text-sm flex items-center justify-between">
+        <div role="alert" className="bg-red-500/10 border border-red-500/20 text-red-400 p-3 m-4 rounded-lg text-sm flex items-center justify-between">
           <span>{error}</span>
           <button
             onClick={() => setError(null)}
             className="text-red-400/60 hover:text-red-400 ml-2"
+            aria-label="Dismiss error"
           >
             ×
           </button>
@@ -313,10 +318,12 @@ export function TaskBoardPanel() {
       )}
 
       {/* Kanban Board */}
-      <div className="flex-1 flex gap-4 p-4 overflow-x-auto">
+      <div className="flex-1 flex gap-4 p-4 overflow-x-auto" role="region" aria-label="Task board">
         {statusColumns.map(column => (
           <div
             key={column.key}
+            role="region"
+            aria-label={`${column.title} column, ${tasksByStatus[column.key]?.length || 0} tasks`}
             className="flex-1 min-w-80 bg-card border border-border rounded-lg flex flex-col"
             onDragEnter={(e) => handleDragEnter(e, column.key)}
             onDragLeave={handleDragLeave}
@@ -337,8 +344,12 @@ export function TaskBoardPanel() {
                 <div
                   key={task.id}
                   draggable
+                  role="button"
+                  tabIndex={0}
+                  aria-label={`${task.title}, ${task.priority} priority, ${task.status}`}
                   onDragStart={(e) => handleDragStart(e, task)}
                   onClick={() => setSelectedTask(task)}
+                  onKeyDown={(e) => { if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); setSelectedTask(task) } }}
                   className={`bg-surface-1 rounded-lg p-3 cursor-pointer hover:bg-surface-2 transition-smooth border-l-4 ${priorityColors[task.priority]} ${
                     draggedTask?.id === task.id ? 'opacity-50' : ''
                   }`}
@@ -613,12 +624,14 @@ function TaskDetailModal({
     </div>
   )
 
+  const dialogRef = useFocusTrap(onClose)
+
   return (
-    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4">
-      <div className="bg-card border border-border rounded-lg max-w-2xl w-full max-h-[90vh] overflow-y-auto">
+    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4" onClick={(e) => { if (e.target === e.currentTarget) onClose() }}>
+      <div ref={dialogRef} role="dialog" aria-modal="true" aria-labelledby="task-detail-title" className="bg-card border border-border rounded-lg max-w-2xl w-full max-h-[90vh] overflow-y-auto">
         <div className="p-6">
           <div className="flex justify-between items-start mb-4">
-            <h3 className="text-xl font-bold text-foreground">{task.title}</h3>
+            <h3 id="task-detail-title" className="text-xl font-bold text-foreground">{task.title}</h3>
             <div className="flex gap-2">
               <button
                 onClick={() => onEdit(task)}
@@ -628,6 +641,7 @@ function TaskDetailModal({
               </button>
               <button
                 onClick={onClose}
+                aria-label="Close task details"
                 className="text-muted-foreground hover:text-foreground text-2xl transition-smooth"
               >
                 ×
@@ -641,10 +655,13 @@ function TaskDetailModal({
           ) : (
             <p className="text-foreground/80 mb-4">No description</p>
           )}
-          <div className="flex gap-2 mt-4">
+          <div className="flex gap-2 mt-4" role="tablist" aria-label="Task detail tabs">
             {(['details', 'comments', 'quality'] as const).map(tab => (
               <button
                 key={tab}
+                role="tab"
+                aria-selected={activeTab === tab}
+                aria-controls={`tabpanel-${tab}`}
                 onClick={() => setActiveTab(tab)}
                 className={`px-3 py-2 text-sm rounded-md transition-smooth ${
                   activeTab === tab ? 'bg-primary text-primary-foreground' : 'bg-secondary text-muted-foreground hover:bg-surface-2'
@@ -656,7 +673,7 @@ function TaskDetailModal({
           </div>
 
           {activeTab === 'details' && (
-            <div className="grid grid-cols-2 gap-4 text-sm mt-4">
+            <div id="tabpanel-details" role="tabpanel" aria-label="Details" className="grid grid-cols-2 gap-4 text-sm mt-4">
               <div>
                 <span className="text-muted-foreground">Status:</span>
                 <span className="text-foreground ml-2">{task.status}</span>
@@ -686,7 +703,7 @@ function TaskDetailModal({
           )}
 
           {activeTab === 'comments' && (
-            <div className="mt-6">
+            <div id="tabpanel-comments" role="tabpanel" aria-label="Comments" className="mt-6">
             <div className="flex items-center justify-between mb-3">
               <h4 className="text-lg font-semibold text-foreground">Comments</h4>
               <button
@@ -769,7 +786,7 @@ function TaskDetailModal({
           )}
 
           {activeTab === 'quality' && (
-            <div className="mt-6">
+            <div id="tabpanel-quality" role="tabpanel" aria-label="Quality Review" className="mt-6">
               <h5 className="text-sm font-medium text-foreground mb-2">Aegis Quality Review</h5>
               {reviewError && (
                 <div className="text-xs text-red-400 mb-2">{reviewError}</div>
@@ -876,16 +893,19 @@ function CreateTaskModal({
     }
   }
 
+  const dialogRef = useFocusTrap(onClose)
+
   return (
-    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4">
-      <div className="bg-card border border-border rounded-lg max-w-md w-full">
+    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4" onClick={(e) => { if (e.target === e.currentTarget) onClose() }}>
+      <div ref={dialogRef} role="dialog" aria-modal="true" aria-labelledby="create-task-title" className="bg-card border border-border rounded-lg max-w-md w-full">
         <form onSubmit={handleSubmit} className="p-6">
-          <h3 className="text-xl font-bold text-foreground mb-4">Create New Task</h3>
+          <h3 id="create-task-title" className="text-xl font-bold text-foreground mb-4">Create New Task</h3>
           
           <div className="space-y-4">
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Title</label>
+              <label htmlFor="create-title" className="block text-sm text-muted-foreground mb-1">Title</label>
               <input
+                id="create-title"
                 type="text"
                 value={formData.title}
                 onChange={(e) => setFormData(prev => ({ ...prev, title: e.target.value }))}
@@ -895,8 +915,9 @@ function CreateTaskModal({
             </div>
             
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Description</label>
+              <label htmlFor="create-description" className="block text-sm text-muted-foreground mb-1">Description</label>
               <textarea
+                id="create-description"
                 value={formData.description}
                 onChange={(e) => setFormData(prev => ({ ...prev, description: e.target.value }))}
                 className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -906,8 +927,9 @@ function CreateTaskModal({
             
             <div className="grid grid-cols-2 gap-4">
               <div>
-                <label className="block text-sm text-muted-foreground mb-1">Priority</label>
+                <label htmlFor="create-priority" className="block text-sm text-muted-foreground mb-1">Priority</label>
                 <select
+                  id="create-priority"
                   value={formData.priority}
                   onChange={(e) => setFormData(prev => ({ ...prev, priority: e.target.value as Task['priority'] }))}
                   className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -920,8 +942,9 @@ function CreateTaskModal({
               </div>
               
               <div>
-                <label className="block text-sm text-muted-foreground mb-1">Assign to</label>
+                <label htmlFor="create-assignee" className="block text-sm text-muted-foreground mb-1">Assign to</label>
                 <select
+                  id="create-assignee"
                   value={formData.assigned_to}
                   onChange={(e) => setFormData(prev => ({ ...prev, assigned_to: e.target.value }))}
                   className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -937,8 +960,9 @@ function CreateTaskModal({
             </div>
             
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Tags (comma-separated)</label>
+              <label htmlFor="create-tags" className="block text-sm text-muted-foreground mb-1">Tags (comma-separated)</label>
               <input
+                id="create-tags"
                 type="text"
                 value={formData.tags}
                 onChange={(e) => setFormData(prev => ({ ...prev, tags: e.target.value }))}
@@ -1018,16 +1042,19 @@ function EditTaskModal({
     }
   }
 
+  const dialogRef = useFocusTrap(onClose)
+
   return (
-    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4">
-      <div className="bg-card border border-border rounded-lg max-w-md w-full">
+    <div className="fixed inset-0 bg-black/60 backdrop-blur-sm flex items-center justify-center z-50 p-4" onClick={(e) => { if (e.target === e.currentTarget) onClose() }}>
+      <div ref={dialogRef} role="dialog" aria-modal="true" aria-labelledby="edit-task-title" className="bg-card border border-border rounded-lg max-w-md w-full">
         <form onSubmit={handleSubmit} className="p-6">
-          <h3 className="text-xl font-bold text-foreground mb-4">Edit Task</h3>
+          <h3 id="edit-task-title" className="text-xl font-bold text-foreground mb-4">Edit Task</h3>
 
           <div className="space-y-4">
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Title</label>
+              <label htmlFor="edit-title" className="block text-sm text-muted-foreground mb-1">Title</label>
               <input
+                id="edit-title"
                 type="text"
                 value={formData.title}
                 onChange={(e) => setFormData(prev => ({ ...prev, title: e.target.value }))}
@@ -1037,8 +1064,9 @@ function EditTaskModal({
             </div>
 
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Description</label>
+              <label htmlFor="edit-description" className="block text-sm text-muted-foreground mb-1">Description</label>
               <textarea
+                id="edit-description"
                 value={formData.description}
                 onChange={(e) => setFormData(prev => ({ ...prev, description: e.target.value }))}
                 className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -1048,8 +1076,9 @@ function EditTaskModal({
 
             <div className="grid grid-cols-2 gap-4">
               <div>
-                <label className="block text-sm text-muted-foreground mb-1">Status</label>
+                <label htmlFor="edit-status" className="block text-sm text-muted-foreground mb-1">Status</label>
                 <select
+                  id="edit-status"
                   value={formData.status}
                   onChange={(e) => setFormData(prev => ({ ...prev, status: e.target.value as Task['status'] }))}
                   className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -1064,8 +1093,9 @@ function EditTaskModal({
               </div>
 
               <div>
-                <label className="block text-sm text-muted-foreground mb-1">Priority</label>
+                <label htmlFor="edit-priority" className="block text-sm text-muted-foreground mb-1">Priority</label>
                 <select
+                  id="edit-priority"
                   value={formData.priority}
                   onChange={(e) => setFormData(prev => ({ ...prev, priority: e.target.value as Task['priority'] }))}
                   className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -1079,8 +1109,9 @@ function EditTaskModal({
             </div>
 
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Assign to</label>
+              <label htmlFor="edit-assignee" className="block text-sm text-muted-foreground mb-1">Assign to</label>
               <select
+                id="edit-assignee"
                 value={formData.assigned_to}
                 onChange={(e) => setFormData(prev => ({ ...prev, assigned_to: e.target.value }))}
                 className="w-full bg-surface-1 text-foreground border border-border rounded-md px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary/50"
@@ -1095,8 +1126,9 @@ function EditTaskModal({
             </div>
 
             <div>
-              <label className="block text-sm text-muted-foreground mb-1">Tags (comma-separated)</label>
+              <label htmlFor="edit-tags" className="block text-sm text-muted-foreground mb-1">Tags (comma-separated)</label>
               <input
+                id="edit-tags"
                 type="text"
                 value={formData.tags}
                 onChange={(e) => setFormData(prev => ({ ...prev, tags: e.target.value }))}

src/lib/use-focus-trap.ts

@@ -0,0 +1,77 @@
+import { useEffect, useRef, useCallback } from 'react'
+
+const FOCUSABLE_SELECTOR = [
+  'a[href]',
+  'button:not([disabled])',
+  'input:not([disabled])',
+  'select:not([disabled])',
+  'textarea:not([disabled])',
+  '[tabindex]:not([tabindex="-1"])',
+].join(', ')
+
+/**
+ * Traps keyboard focus within a container element.
+ * Handles Tab/Shift+Tab cycling and Escape to close.
+ */
+export function useFocusTrap(onClose?: () => void) {
+  const containerRef = useRef<HTMLDivElement>(null)
+  const previousFocusRef = useRef<HTMLElement | null>(null)
+
+  const handleKeyDown = useCallback(
+    (e: KeyboardEvent) => {
+      if (e.key === 'Escape' && onClose) {
+        e.stopPropagation()
+        onClose()
+        return
+      }
+
+      if (e.key !== 'Tab') return
+
+      const container = containerRef.current
+      if (!container) return
+
+      const focusable = Array.from(
+        container.querySelectorAll<HTMLElement>(FOCUSABLE_SELECTOR)
+      )
+
+      if (focusable.length === 0) return
+
+      const first = focusable[0]
+      const last = focusable[focusable.length - 1]
+
+      if (e.shiftKey) {
+        if (document.activeElement === first) {
+          e.preventDefault()
+          last.focus()
+        }
+      } else {
+        if (document.activeElement === last) {
+          e.preventDefault()
+          first.focus()
+        }
+      }
+    },
+    [onClose]
+  )
+
+  useEffect(() => {
+    previousFocusRef.current = document.activeElement as HTMLElement
+
+    const container = containerRef.current
+    if (container) {
+      const focusable = container.querySelectorAll<HTMLElement>(FOCUSABLE_SELECTOR)
+      if (focusable.length > 0) {
+        focusable[0].focus()
+      }
+    }
+
+    document.addEventListener('keydown', handleKeyDown)
+
+    return () => {
+      document.removeEventListener('keydown', handleKeyDown)
+      previousFocusRef.current?.focus()
+    }
+  }, [handleKeyDown])
+
+  return containerRef
+}