Fix Qt cleanup warning with proper worker lifecycle management

- Keep reference to active worker in dialog instance
- Use deleteLater() for Signals QObject cleanup
- Prevents "shared QObject deleted directly" warning

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug Report
+about: Report something that isn't working
+labels: bug
+---
+
+## Description
+
+What happened?
+
+## Steps to Reproduce
+
+1.
+2.
+3.
+
+## Expected Behavior
+
+What should have happened?
+
+## Environment
+
+- OS:
+- Ramble version:
+- Provider (mock/claude/codex/gemini):
+- Docker or native install?
+
+## Error Output
+
+```
+Paste any error messages here
+```

.gitea/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,21 @@
+---
+name: Feature Request
+about: Suggest a new feature or improvement
+labels: enhancement
+---
+
+## Feature Description
+
+A clear description of the feature you'd like to see.
+
+## Use Case
+
+Why do you need this? What problem does it solve?
+
+## Proposed Solution
+
+How do you think it should work? (optional)
+
+## Alternatives Considered
+
+Any other approaches you've thought about? (optional)

.gitea/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,17 @@
+---
+name: Question
+about: Ask a question about Ramble
+labels: question
+---
+
+## Question
+
+What would you like to know?
+
+## What I've Tried
+
+Any steps you've already taken to find the answer?
+
+## Context
+
+Any additional context that might help?

Dockerfile

@@ -11,18 +11,29 @@ LABEL description="Ramble - AI-powered structured field extraction GUI"
 # Install system dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
     plantuml \
-    # Qt6 dependencies (Debian Trixie package names)
+    # Qt6 xcb platform plugin dependencies
     libgl1 \
     libegl1 \
     libxkbcommon0 \
+    libxkbcommon-x11-0 \
     libdbus-1-3 \
+    libxcb1 \
     libxcb-cursor0 \
     libxcb-icccm4 \
+    libxcb-image0 \
     libxcb-keysyms1 \
-    libxcb-shape0 \
-    libxcb-xinerama0 \
-    libxcb-randr0 \
+    libxcb-render0 \
     libxcb-render-util0 \
+    libxcb-shape0 \
+    libxcb-shm0 \
+    libxcb-sync1 \
+    libxcb-xfixes0 \
+    libxcb-xinerama0 \
+    libxcb-xkb1 \
+    libxcb-randr0 \
+    libx11-xcb1 \
+    libfontconfig1 \
+    libfreetype6 \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
@@ -37,8 +48,10 @@ RUN pip install --no-cache-dir -e .
 # Verify installation
 RUN ramble --help
 
-# Default: show help
-CMD ["ramble", "--help"]
+# ENTRYPOINT makes ramble the base command
+# CMD provides default args (can be overridden)
+ENTRYPOINT ["ramble"]
+CMD ["--help"]
 
 # ==============================================================================
 # Usage Examples

README.md

@@ -15,10 +15,24 @@ A configurable GUI tool that lets users "ramble" about an idea and extracts stru
 - **Multiple providers** - Claude, Codex, Gemini, or mock for testing
 - **Headless mode** - Skip GUI, pass values directly via CLI
 
-## Installation
+## Quick Start
+
+### Option 1: Pre-built Docker Container
+
+```bash
+# Allow X11 access
+xhost +local:docker
+
+# Run the GUI with mock provider (no AI required)
+docker run -it --rm \
+  -e DISPLAY=$DISPLAY \
+  -v /tmp/.X11-unix:/tmp/.X11-unix \
+  gitea.brrd.tech/rob/ramble --provider mock
+```
+
+### Option 2: Native Install
 
 ```bash
-# Clone and install
 git clone https://gitea.brrd.tech/rob/ramble.git
 cd ramble
 pip install -e .
@@ -29,17 +43,31 @@ sudo apt install plantuml  # For diagram rendering
 
 ## Docker
 
-Run without installing anything locally:
+### Pre-built Image
+
+```bash
+# Pull the pre-built container
+docker pull gitea.brrd.tech/rob/ramble:latest
+
+# Run GUI (requires: xhost +local:docker)
+docker run -it --rm \
+  -e DISPLAY=$DISPLAY \
+  -v /tmp/.X11-unix:/tmp/.X11-unix \
+  gitea.brrd.tech/rob/ramble --provider mock
+
+# Headless mode
+docker run -it --rm gitea.brrd.tech/rob/ramble \
+  --field-values '{"Title":"MyApp","Summary":"A cool app"}'
+```
+
+### Build from Source
 
 ```bash
-# Clone the repo
 git clone https://gitea.brrd.tech/rob/ramble.git
 cd ramble
-
-# Build
 docker-compose build
 
-# Launch GUI (requires: xhost +local:docker)
+# Launch GUI
 docker-compose run --rm gui
 
 # Headless mode
@@ -158,6 +186,12 @@ ramble/
 └── pyproject.toml
 ```
 
+## Links
+
+- **Repository**: https://gitea.brrd.tech/rob/ramble
+- **Docker Image**: `gitea.brrd.tech/rob/ramble:latest`
+- **Issues**: https://gitea.brrd.tech/rob/ramble/issues
+
 ## License
 
 MIT

src/ramble/dialog.py

@@ -197,6 +197,7 @@ class RambleDialog(QDialog):
 
         self.thread_pool = QThreadPool.globalInstance()
         self.result: Optional[RambleResult] = None
+        self._active_worker: Optional[GenWorker] = None  # Keep reference to prevent premature GC
 
         self.field_lock_boxes: Dict[str, QCheckBox] = {}
         self.field_outputs: Dict[str, QTextEdit] = {}
@@ -373,10 +374,10 @@ class RambleDialog(QDialog):
         }
 
         self._set_busy(True, "Generating...")
-        worker = GenWorker(self.provider, payload)
-        worker.signals.finished.connect(self._on_generated)
-        worker.signals.error.connect(self._on_gen_error)
-        self.thread_pool.start(worker)
+        self._active_worker = GenWorker(self.provider, payload)
+        self._active_worker.signals.finished.connect(self._on_generated)
+        self._active_worker.signals.error.connect(self._on_gen_error)
+        self.thread_pool.start(self._active_worker)
 
     def _on_generated(self, data: Dict[str, Any]):
         new_fields: Dict[str, str] = data.get("fields", {})
@@ -428,6 +429,15 @@ class RambleDialog(QDialog):
         self.result = RambleResult(summary=summary, fields=out_fields)
         self.accept()
 
+    def closeEvent(self, event):
+        """Wait for background workers to finish before closing."""
+        self.thread_pool.waitForDone(1000)  # Wait up to 1 second
+        # Clean up worker reference to prevent Qt warning
+        if self._active_worker is not None:
+            self._active_worker.signals.deleteLater()
+            self._active_worker = None
+        super().closeEvent(event)
+
 
 def open_ramble_dialog(
     *,