feat(headless): Implement Phase 1 - Project Setup & Headless Scaffold

conductor/tracks/manual_slop_headless_20260225/plan.md

@@ -2,12 +2,12 @@
 
 ## Phase 1: Project Setup & Headless Scaffold
 - [x] Task: Update dependencies (02fc847)
-    - [ ] Add `fastapi` and `uvicorn` to `pyproject.toml` (and sync `requirements.txt` via `uv`).
+    - [x] Add `fastapi` and `uvicorn` to `pyproject.toml` (and sync `requirements.txt` via `uv`).
-- [~] Task: Implement headless startup
+- [x] Task: Implement headless startup
-    - [ ] Modify `gui_2.py` (or create `headless.py`) to parse a `--headless` CLI flag.
+    - [x] Modify `gui_2.py` (or create `headless.py`) to parse a `--headless` CLI flag.
-    - [ ] Update config parsing in `config.toml` to support headless configuration sections.
+    - [x] Update config parsing in `config.toml` to support headless configuration sections.
-    - [ ] Bypass Dear PyGui initialization if headless mode is active.
+    - [x] Bypass Dear PyGui initialization if headless mode is active.
-- [ ] Task: Create foundational API application
+- [~] Task: Create foundational API application
     - [ ] Set up the core FastAPI application instance.
     - [ ] Implement `/health` and `/status` endpoints for Docker lifecycle checks.
 - [ ] Task: Conductor - User Manual Verification 'Project Setup & Headless Scaffold' (Protocol in workflow.md)

config.toml

@@ -32,3 +32,7 @@ active = "C:\\projects\\manual_slop\\tests\\temp_project.toml"
 "Operations Hub" = true
 Theme = true
 Diagnostics = true
+
+[headless]
+port = 8000
+api_key = ""

gui_2.py

@@ -22,6 +22,7 @@ import api_hooks
 import mcp_client
 from performance_monitor import PerformanceMonitor
 
+from fastapi import FastAPI
 from imgui_bundle import imgui, hello_imgui, immapp
 
 CONFIG_PATH = Path("config.toml")
@@ -303,6 +304,25 @@ class App:
         self._discussion_names_cache = []
         self._discussion_names_dirty = True
         
+    def create_api(self) -> FastAPI:
+        api = FastAPI(title="Manual Slop Headless API")
+
+        @api.get("/health")
+        def health():
+            return {"status": "ok"}
+
+        @api.get("/status")
+        def status():
+            return {
+                "provider": self.current_provider,
+                "model": self.current_model,
+                "active_project": self.active_project_path,
+                "ai_status": self.ai_status,
+                "session_usage": self.session_usage
+            }
+
+        return api
+
     # ---------------------------------------------------------------- project loading
 
     def _cb_new_project_automated(self, user_data):
@@ -2001,33 +2021,45 @@ class App:
 
     def run(self):
         """Initializes the ImGui runner and starts the main application loop."""
-        theme.load_from_config(self.config)
+        if "--headless" in sys.argv:
+            print("Headless mode active")
+            self._fetch_models(self.current_provider)
+            
+            import uvicorn
+            headless_cfg = self.config.get("headless", {})
+            port = headless_cfg.get("port", 8000)
+            
+            api = self.create_api()
+            uvicorn.run(api, host="0.0.0.0", port=port)
+        else:
+            theme.load_from_config(self.config)
 
-        self.runner_params = hello_imgui.RunnerParams()
+            self.runner_params = hello_imgui.RunnerParams()
-        self.runner_params.app_window_params.window_title = "manual slop"
+            self.runner_params.app_window_params.window_title = "manual slop"
-        self.runner_params.app_window_params.window_geometry.size = (1680, 1200)
+            self.runner_params.app_window_params.window_geometry.size = (1680, 1200)
-        self.runner_params.imgui_window_params.enable_viewports = False
+            self.runner_params.imgui_window_params.enable_viewports = False
-        self.runner_params.imgui_window_params.default_imgui_window_type = hello_imgui.DefaultImGuiWindowType.provide_full_screen_dock_space
+            self.runner_params.imgui_window_params.default_imgui_window_type = hello_imgui.DefaultImGuiWindowType.provide_full_screen_dock_space
-        self.runner_params.fps_idling.enable_idling = False
+            self.runner_params.fps_idling.enable_idling = False
-        self.runner_params.imgui_window_params.show_menu_bar = True
+            self.runner_params.imgui_window_params.show_menu_bar = True
-        self.runner_params.ini_folder_type = hello_imgui.IniFolderType.current_folder
+            self.runner_params.ini_folder_type = hello_imgui.IniFolderType.current_folder
-        self.runner_params.ini_filename = "manualslop_layout.ini"
+            self.runner_params.ini_filename = "manualslop_layout.ini"
 
-        self.runner_params.callbacks.show_gui = self._gui_func
+            self.runner_params.callbacks.show_gui = self._gui_func
-        self.runner_params.callbacks.show_menus = self._show_menus
+            self.runner_params.callbacks.show_menus = self._show_menus
-        self.runner_params.callbacks.load_additional_fonts = self._load_fonts
+            self.runner_params.callbacks.load_additional_fonts = self._load_fonts
-        self.runner_params.callbacks.post_init = self._post_init
+            self.runner_params.callbacks.post_init = self._post_init
-        
+            
-        self._fetch_models(self.current_provider)
+            self._fetch_models(self.current_provider)
 
-        # Start API hooks server (if enabled)
+            # Start API hooks server (if enabled)
-        self.hook_server = api_hooks.HookServer(self)
+            self.hook_server = api_hooks.HookServer(self)
-        self.hook_server.start()
+            self.hook_server.start()
 
-        immapp.run(self.runner_params)
+            immapp.run(self.runner_params)
+
+            # On exit
+            self.hook_server.stop()
 
-        # On exit
-        self.hook_server.stop()
         self.perf_monitor.stop()
         ai_client.cleanup()  # Destroy active API caches to stop billing
         self._flush_to_project()

project_history.toml

@@ -8,5 +8,5 @@ active = "main"
 
 [discussions.main]
 git_commit = ""
-last_updated = "2026-02-25T11:19:43"
+last_updated = "2026-02-25T13:02:29"
 history = []

tests/temp_project_history.toml

@@ -9,7 +9,56 @@ auto_add = true
 
 [discussions.main]
 git_commit = ""
-last_updated = "2026-02-25T11:21:27"
+last_updated = "2026-02-25T13:02:29"
 history = [
-    "@2026-02-25T11:21:23\nSystem:\n[PERFORMANCE ALERT] CPU usage high: 82.8%. Please consider optimizing recent changes or reducing load.",
+    "@1772042443.1159382\nUser:\nStress test entry 0 Stress test entry 0 Stress test entry 0 Stress test entry 0 Stress test entry 0",
+    "@1772042443.1159382\nUser:\nStress test entry 1 Stress test entry 1 Stress test entry 1 Stress test entry 1 Stress test entry 1",
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 ]

tests/test_headless_api.py

@@ -0,0 +1,35 @@
+import unittest
+from fastapi.testclient import TestClient
+import gui_2
+from unittest.mock import patch, MagicMock
+
+class TestHeadlessAPI(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        # We need an App instance to initialize the API, but we want to avoid GUI stuff
+        with patch('gui_2.session_logger.open_session'), \
+             patch('gui_2.ai_client.set_provider'), \
+             patch('gui_2.session_logger.close_session'):
+            cls.app_instance = gui_2.App()
+            # We will implement create_api method in App
+            if hasattr(cls.app_instance, 'create_api'):
+                cls.api = cls.app_instance.create_api()
+            else:
+                cls.api = MagicMock()
+            cls.client = TestClient(cls.api)
+
+    def test_health_endpoint(self):
+        response = self.client.get("/health")
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {"status": "ok"})
+
+    def test_status_endpoint(self):
+        response = self.client.get("/status")
+        self.assertEqual(response.status_code, 200)
+        data = response.json()
+        self.assertIn("provider", data)
+        self.assertIn("model", data)
+        self.assertIn("active_project", data)
+
+if __name__ == "__main__":
+    unittest.main()

tests/test_headless_startup.py

@@ -0,0 +1,48 @@
+import sys
+import unittest
+from unittest.mock import patch, MagicMock
+import gui_2
+
+class TestHeadlessStartup(unittest.TestCase):
+
+    @patch('gui_2.immapp.run')
+    @patch('gui_2.api_hooks.HookServer')
+    @patch('gui_2.save_config')
+    @patch('gui_2.ai_client.cleanup')
+    @patch('uvicorn.run') # Mock uvicorn.run to prevent hanging
+    def test_headless_flag_prevents_gui_run(self, mock_uvicorn_run, mock_cleanup, mock_save_config, mock_hook_server, mock_immapp_run):
+        # Setup mock argv with --headless
+        test_args = ["gui_2.py", "--headless"]
+        
+        with patch.object(sys, 'argv', test_args):
+            with patch('gui_2.session_logger.close_session'), \
+                 patch('gui_2.session_logger.open_session'):
+                app = gui_2.App()
+                
+                # Mock _fetch_models to avoid network calls
+                app._fetch_models = MagicMock()
+                
+                app.run()
+                
+                # Expectation: immapp.run should NOT be called in headless mode
+                mock_immapp_run.assert_not_called()
+                # Expectation: uvicorn.run SHOULD be called
+                mock_uvicorn_run.assert_called_once()
+
+    @patch('gui_2.immapp.run')
+    def test_normal_startup_calls_gui_run(self, mock_immapp_run):
+        test_args = ["gui_2.py"]
+        with patch.object(sys, 'argv', test_args):
+            # In normal mode, it should still call immapp.run
+            with patch('gui_2.api_hooks.HookServer'), \
+                 patch('gui_2.save_config'), \
+                 patch('gui_2.ai_client.cleanup'), \
+                 patch('gui_2.session_logger.close_session'), \
+                 patch('gui_2.session_logger.open_session'):
+                app = gui_2.App()
+                app._fetch_models = MagicMock()
+                app.run()
+                mock_immapp_run.assert_called_once()
+
+if __name__ == "__main__":
+    unittest.main()