add heavy loggin

ui/detection-app/src/App.vue

@@ -9,19 +9,27 @@ import FramePanel from './panels/FramePanel.vue'
 import BrandTablePanel from './panels/BrandTablePanel.vue'
 import TimelinePanel from './panels/TimelinePanel.vue'
 import CostStatsPanel from './panels/CostStatsPanel.vue'
+import SourceSelector from './panels/SourceSelector.vue'
 import type { StatsUpdate, RunContext } from './types/sse-contract'
 import { usePipelineStore } from './stores/pipeline'
 
 const pipeline = usePipelineStore()
 
-const jobId = ref(new URLSearchParams(window.location.search).get('job') || 'test-job')
+const jobParam = new URLSearchParams(window.location.search).get('job')
+const jobId = ref(jobParam || '')
 const stats = ref<StatsUpdate | null>(null)
 const runContext = ref<RunContext | null>(null)
 const status = ref<'idle' | 'live' | 'processing' | 'error'>('idle')
+const logPanel = ref<{ clear: () => void } | null>(null)
+
+// No job selected → open source selector
+if (!jobParam) {
+  pipeline.openSourceSelector()
+}
 
 const source = new SSEDataSource({
   id: 'detect-stream',
-  url: `/api/detect/stream/${jobId.value}`,
+  url: jobId.value ? `/api/detect/stream/${jobId.value}` : '',
   eventTypes: ['graph_update', 'stats_update', 'frame_update', 'detection', 'log', 'job_complete', 'waiting'],
 })
 
@@ -37,6 +45,12 @@ source.on<StatsUpdate>('stats_update', (e) => {
   }
 })
 
+source.on<{ report?: { status?: string, error?: string } }>('job_complete', (e) => {
+  if (e.report?.status === 'failed') {
+    status.value = 'error'
+  }
+})
+
 // Resizable splits
 const pipelineWidth = ref(320)
 const detectionsFlex = ref(3)  // ratio for detections vs stats
@@ -71,7 +85,36 @@ const statusMap: Record<string, 'idle' | 'live' | 'processing' | 'error'> = {
 const checkStatus = () => { status.value = statusMap[source.status.value] ?? 'idle' }
 setInterval(checkStatus, 500)
 
-source.connect()
+if (jobId.value) {
+  source.connect()
+}
+
+async function stopPipeline() {
+  if (!jobId.value) return
+  try {
+    await fetch(`/api/detect/stop/${jobId.value}`, { method: 'POST' })
+  } catch { /* ignore — UI will see the cancel event via SSE */ }
+}
+
+function onJobStarted(newJobId: string) {
+  jobId.value = newJobId
+  // Reset UI state
+  stats.value = null
+  runContext.value = null
+  status.value = 'processing'
+  logPanel.value?.clear()
+  pipeline.reset()
+  pipeline.setStatus('running')
+  // Update URL without reload
+  const url = new URL(window.location.href)
+  url.searchParams.set('job', newJobId)
+  window.history.pushState({}, '', url.toString())
+  // Connect SSE to new job
+  source.disconnect()
+  source.setUrl(`/api/detect/stream/${newJobId}`)
+  source.connect()
+  // Switch to normal layout (reset sets it to normal already)
+}
 </script>
 
 <template>
@@ -82,7 +125,18 @@ source.connect()
       <span v-if="runContext" class="run-info">
         {{ runContext.run_type }} · run: {{ runContext.run_id }}
       </span>
-      <span class="job-id">job: {{ jobId }}</span>
+      <button class="header-btn" title="Select source" @click="pipeline.openSourceSelector()">
+        <svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5">
+          <path d="M2 4h4l2 2h6v8H2V4z"/><path d="M2 4V2h12v2"/>
+        </svg>
+      </button>
+      <button
+        v-if="jobId && (status === 'live' || status === 'processing')"
+        class="header-btn stop-btn"
+        title="Stop pipeline"
+        @click="stopPipeline"
+      >■</button>
+      <span class="job-id">job: {{ jobId || '—' }}</span>
     </header>
 
     <div class="main-layout">
@@ -168,6 +222,11 @@ source.connect()
           </Panel>
         </template>
 
+        <!-- === SOURCE SELECTOR MODE === -->
+        <template v-else-if="pipeline.layoutMode === 'source_selector'">
+          <SourceSelector @job-started="onJobStarted" />
+        </template>
+
       </div>
     </div>
 
@@ -183,7 +242,7 @@ source.connect()
         </Panel>
       </template>
       <template v-else>
-        <LogPanel :source="source" :status="status" />
+        <LogPanel ref="logPanel" :source="source" :status="status" />
       </template>
     </div>
   </div>
@@ -200,12 +259,11 @@ body {
 }
 
 .app {
-  height: 100vh;
+  min-height: 100vh;
   display: grid;
   grid-template-rows: auto 1fr auto;
   padding: var(--space-4);
   gap: var(--space-2);
-  overflow: hidden;
 }
 
 header {
@@ -235,6 +293,34 @@ header h1 { font-size: var(--font-size-lg); font-weight: 600; }
   font-size: var(--font-size-sm);
 }
 
+
+.header-btn {
+  background: var(--surface-2);
+  border: 1px solid var(--surface-3);
+  border-radius: 4px;
+  color: var(--text-secondary);
+  width: 28px;
+  height: 28px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: all 0.15s;
+}
+.header-btn:hover {
+  background: var(--surface-3);
+  color: var(--text-primary);
+}
+.stop-btn {
+  background: var(--status-error);
+  color: #000;
+  font-size: 12px;
+  font-weight: 700;
+}
+.stop-btn:hover {
+  opacity: 0.8;
+}
+
 .job-id { color: var(--text-dim); font-size: var(--font-size-sm); margin-left: auto; }
 
 /* Main layout: pipeline left, content right — both same height */
@@ -328,11 +414,10 @@ header h1 { font-size: var(--font-size-lg); font-weight: 600; }
 .stat .label { color: var(--text-dim); font-size: var(--font-size-sm); }
 .stat .value { font-weight: 600; }
 
-/* Log: full width bottom, fixed height */
+/* Log: full width bottom */
 .log-row {
   flex-shrink: 0;
-  height: 160px;
-  overflow: hidden;
+  height: 200px;
 }
 
 .empty { color: var(--text-dim); padding: var(--space-6); text-align: center; }
@@ -399,4 +484,50 @@ header h1 { font-size: var(--font-size-lg); font-weight: 600; }
   text-align: center;
   font-size: var(--font-size-sm);
 }
+
+/* Source selector */
+.source-selector {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  gap: var(--space-3);
+  padding: var(--space-3);
+}
+
+.source-info {
+  font-size: var(--font-size-sm);
+  color: var(--text-secondary);
+}
+
+.source-hint {
+  color: var(--text-dim);
+  margin-top: var(--space-1);
+}
+
+.source-hint code {
+  background: var(--surface-2);
+  padding: 1px 4px;
+  border-radius: 3px;
+}
+
+.source-list {
+  flex: 1;
+  overflow-y: auto;
+  background: var(--surface-2);
+  border-radius: var(--panel-radius);
+  padding: var(--space-2);
+}
+
+.source-loading {
+  color: var(--text-dim);
+  text-align: center;
+  padding: var(--space-4);
+  font-size: var(--font-size-sm);
+}
+
+.source-actions {
+  flex-shrink: 0;
+  display: flex;
+  justify-content: flex-end;
+}
 </style>

ui/detection-app/src/panels/LogPanel.vue

@@ -21,6 +21,12 @@ props.source.on<LogEvent>('log', (e) => {
     ts: e.ts,
   })
 })
+
+function clear() {
+  entries.value = []
+}
+
+defineExpose({ clear })
 </script>
 
 <template>

ui/detection-app/src/panels/PipelineGraphPanel.vue

@@ -26,6 +26,21 @@ props.source.on<{ nodes: GraphNode[] }>('graph_update', (e) => {
   nodes.value = e.nodes
 })
 
+props.source.on<{ report?: { status?: string } }>('job_complete', (e) => {
+  const status = e.report?.status
+  if (status === 'failed' || status === 'cancelled') {
+    nodes.value = nodes.value.map(n => ({
+      ...n,
+      status: n.status === 'running' ? 'error' : n.status,
+    }))
+  } else {
+    nodes.value = nodes.value.map(n => ({
+      ...n,
+      status: n.status === 'running' ? 'done' : n.status,
+    }))
+  }
+})
+
 function onOpenRegionEditor(stage: string) {
   pipeline.openBBoxEditor(stage)
 }

ui/detection-app/src/stores/pipeline.ts

@@ -22,7 +22,7 @@ export const usePipelineStore = defineStore('pipeline', () => {
   const error = ref<string | null>(null)
 
   // Layout mode
-  const layoutMode = ref<string>('normal')  // normal | bbox_editor | stage_editor
+  const layoutMode = ref<string>('normal')  // normal | bbox_editor | stage_editor | source_selector
   const editorStage = ref<string | null>(null)  // which stage's editor is open
 
   const isRunning = computed(() => status.value === 'running')
@@ -59,6 +59,11 @@ export const usePipelineStore = defineStore('pipeline', () => {
     if (msg) status.value = 'error'
   }
 
+  function openSourceSelector() {
+    layoutMode.value = 'source_selector'
+    editorStage.value = null
+  }
+
   function openBBoxEditor(stage: string) {
     layoutMode.value = 'bbox_editor'
     editorStage.value = stage
@@ -91,6 +96,6 @@ export const usePipelineStore = defineStore('pipeline', () => {
     checkpoints, error, layoutMode, editorStage,
     isRunning, isPaused, canReplay, isEditing,
     setJob, setStatus, updateNodes, setRunContext, setCheckpoints, setError,
-    openBBoxEditor, openStageEditor, closeEditor, reset,
+    openSourceSelector, openBBoxEditor, openStageEditor, closeEditor, reset,
   }
 })