Release v1.01 Enhanced: Vi Control, TUI Gen5, Core Stability

Documentation/implementation_plan_polish.md

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+# UI Polish & Timeout Extension Plan
+
+## Goal
+Make the UI "Pro-Grade" by removing boxy borders and using a sleek "Rail System" layout. Fix request timeouts by extending the limit.
+
+## User Review Required
+> [!IMPORTANT]
+> **Visual Overhaul**: Messages will no longer be enclosed in boxes. 
+> - **AI** will have a colored **Left Gutter**.
+> - **User** will have a colored **Right Gutter**.
+> - This mimics modern editors like Cursor.
+
+## Proposed Changes
+
+### 1. Fix Timeout (Stability)
+- **File**: `qwen-oauth.cjs`
+- **Change**: Increase `setTimeout` from `120000` (2m) to `300000` (5m).
+- **Reason**: 120s is too short for complex reasoning.
+
+### 2. Redesign `ErrorCard`
+- **File**: `bin/opencode-ink.mjs` (inline `ErrorCard`)
+- **Change**: Remove the hardcoded "Error" title text. Just render the content.
+- **Reason**: Prevents "Error: Error: ..." redundancy.
+
+### 3. "Rail" UI Implementation
+- **File**: `bin/ui/components/ChatBubble.mjs`
+- **Change**: 
+    - **User**: Remove `borderStyle`. Right align text. Add Right Gutter `|`.
+    - **AI**: Remove `borderStyle`. Left align. Add Left Gutter `|`.
+- **File**: `bin/opencode-ink.mjs` (`ViewportMessage`)
+    - Ensure margins are compatible with Rail design.
+
+## Verification Plan
+1.  **Visual Test**: Send "Hello". Verify Right-Rail look. Response should have Left-Rail.
+2.  **Timeout Test**: Impossible to force-fail easily without waiting 5 mins, but code review confirms the change.