feat: Add tree file view for git status, AgentBar dock, and settings updates

- Add StatusTree component with collapsible directory hierarchy for staged/unstaged/untracked files
- Replace flat file lists in GitPage with tree view showing file type icons and git status badges
- Add AgentBar arc dock with per-agent terminal frame and voice modal
- Update ejecutor settings with hooks for claude-status reporting

.claude-ejecutor/settings.json

@@ -1,6 +1,7 @@
 {
   "env": {
-    "DISABLE_TELEMETRY": "1"
+    "DISABLE_TELEMETRY": "1",
+    "AGENT_NAME": "ejecutor"
   },
   "permissions": {
     "allow": [
@@ -18,5 +19,65 @@
       "Task",
       "NotebookEdit"
     ]
+  },
+  "hooks": {
+    "UserPromptSubmit": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "powershell -NoProfile -Command \"try { Invoke-RestMethod -Uri 'http://localhost:4101/api/claude-status' -Method POST -Body '{\\\"status\\\":\\\"processing\\\",\\\"agent\\\":\\\"ejecutor\\\"}' -ContentType 'application/json' -TimeoutSec 2 | Out-Null } catch {}\"",
+            "timeout": 5000
+          }
+        ]
+      }
+    ],
+    "PreToolUse": [
+      {
+        "matcher": ".*",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "powershell -NoProfile -Command \"try { Invoke-RestMethod -Uri 'http://localhost:4101/api/claude-status' -Method POST -Body '{\\\"status\\\":\\\"toolUse\\\",\\\"agent\\\":\\\"ejecutor\\\"}' -ContentType 'application/json' -TimeoutSec 2 | Out-Null } catch {}\"",
+            "timeout": 5000
+          }
+        ]
+      }
+    ],
+    "PostToolUse": [
+      {
+        "matcher": ".*",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "powershell -NoProfile -Command \"try { Invoke-RestMethod -Uri 'http://localhost:4101/api/claude-status' -Method POST -Body '{\\\"status\\\":\\\"toolDone\\\",\\\"agent\\\":\\\"ejecutor\\\"}' -ContentType 'application/json' -TimeoutSec 2 | Out-Null } catch {}\"",
+            "timeout": 5000
+          }
+        ]
+      }
+    ],
+    "Notification": [
+      {
+        "matcher": ".*",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "powershell -NoProfile -Command \"try { Invoke-RestMethod -Uri 'http://localhost:4101/api/claude-status' -Method POST -Body '{\\\"status\\\":\\\"notification\\\",\\\"agent\\\":\\\"ejecutor\\\"}' -ContentType 'application/json' -TimeoutSec 2 | Out-Null } catch {}\"",
+            "timeout": 5000
+          }
+        ]
+      }
+    ],
+    "Stop": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "powershell -NoProfile -Command \"try { Invoke-RestMethod -Uri 'http://localhost:4101/api/claude-status' -Method POST -Body '{\\\"status\\\":\\\"idle\\\",\\\"agent\\\":\\\"ejecutor\\\"}' -ContentType 'application/json' -TimeoutSec 2 | Out-Null } catch {}\"",
+            "timeout": 5000
+          }
+        ]
+      }
+    ]
   }
 }