feat: Implement ring-buffer logging with categories, enhance render worker with cancellation and crash resistance, and add new PLAY, WAIT, and VGROUP node types with UI badges + bump up version

programmersd21 · programmersd21 · commit e25e89a9b3de · 2026-03-02T10:59:25.000+05:30
diff --git a/app/extension_mcp.py b/app/extension_mcp.py
@@ -103,7 +103,7 @@ def get_extension_info(self, author: str, repo: str) -> Dict:
             "permissions": [...],
             "dependencies": [...],
             "verified": true,
-            "engine_version": ">=2.0.3",
+            "engine_version": ">=2.0.4",
             "changelog": "...",
             "screenshots": [...]
         }
diff --git a/app/sdk_generator.py b/app/sdk_generator.py
@@ -13,7 +13,7 @@
   "author": "{author}",
   "version": "0.1.0",
   "description": "A deterministic extension for EfficientManim",
-  "engine_version": ">=2.0.3",
+  "engine_version": ">=2.0.4",
   "permissions": ["register_nodes", "register_ui_panel"],
   "dependencies": [],
   "entry_file": "lib.py",
diff --git a/core/__init__.py b/core/__init__.py
@@ -9,7 +9,7 @@
 - MCP agent
 """
 
-__version__ = "2.0.3"
+__version__ = "2.0.4"
 # Initialize built-in extensions with pre-approved permissions
 try:
     from . import bootstrap
diff --git a/core/extension_mcp.py b/core/extension_mcp.py
@@ -103,7 +103,7 @@ def get_extension_info(self, author: str, repo: str) -> Dict:
             "permissions": [...],
             "dependencies": [...],
             "verified": true,
-            "engine_version": ">=2.0.3",
+            "engine_version": ">=2.0.4",
             "changelog": "...",
             "screenshots": [...]
         }
diff --git a/core/sdk_generator.py b/core/sdk_generator.py
@@ -23,7 +23,7 @@
   "author": "{author}",
   "version": "0.1.0",
   "description": "A deterministic extension for EfficientManim",
-  "engine_version": ">=2.0.3",
+  "engine_version": ">=2.0.4",
   "permissions": [
     "register_nodes",
     "register_timeline_track"
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
@@ -1,12 +1,12 @@
-# EfficientManim v2.0.3 — NEW ARCHITECTURE
+# EfficientManim v2.0.4 — NEW ARCHITECTURE
 
 ## System Law Enforcement: From Anarchy to Governance
 
 ---
 
 ## 1. KEYBINDING SYSTEM ARCHITECTURE
 
-### The Problem (v2.0.3)
+### The Problem (v2.0.4)
 
 **Two competing registries with no synchronization:**
 
@@ -39,7 +39,7 @@ Result: User edits shortcuts → changes disappear on restart
         or never apply to actual menus/canvas actions
 ```
 
-### The Solution (v2.0.3)
+### The Solution (v2.0.4)
 
 **Single source of truth with cascading updates:**
 
@@ -387,7 +387,7 @@ except ImportError:
 1. Auto-create missing config: `mkdir -p ~/.efficientmanim/`
 2. Reset keybindings: `rm ~/.efficientmanim/keybindings.json`
 3. Restore from backup
-4. Rollback to v2.0.3
+4. Rollback to v2.0.4
 
 ---
 
@@ -441,7 +441,7 @@ except ImportError:
 
 ---
 
-## 10. MIGRATION FROM v2.0.3
+## 10. MIGRATION FROM v2.0.4
 
 ### For End Users
 1. Keybindings automatically migrated from old system
diff --git a/docs/CHANGES.md b/docs/CHANGES.md
@@ -2,7 +2,7 @@
 
 ---
 
-## v2.0.3 — Structural Cleanup & Rendering Integrity Update
+## v2.0.4 — Structural Cleanup & Rendering Integrity Update
 
 **Date:** February 28, 2026
 
@@ -99,7 +99,7 @@ All built-in snippet templates updated:
 
 ---
 
-## v2.0.3 — Major Feature Release
+## v2.0.4 — Major Feature Release
 
 Initial production release including:
 
diff --git a/docs/COMPLETE_STRUCTURAL_CORRECTION.md b/docs/COMPLETE_STRUCTURAL_CORRECTION.md
@@ -1,4 +1,4 @@
-# 🔥 EFFICIENTMANIM v2.0.3 — COMPLETE STRUCTURAL CORRECTION
+# 🔥 EFFICIENTMANIM v2.0.4 — COMPLETE STRUCTURAL CORRECTION
 
 **Status**: ✅ PRODUCTION COMPLETE  
 **Compliance**: 100% SPECIFICATION  
@@ -11,7 +11,7 @@
 
 You requested complete implementation of dual-screen system and timeline engine due to incomplete previous implementation. This has been delivered in full.
 
-### What Was Wrong (v2.0.3)
+### What Was Wrong (v2.0.4)
 - ❌ Screen system not stateful
 - ❌ Timeline partially designed, not fully specified
 - ❌ Timing logic still partially UI-driven
@@ -21,7 +21,7 @@ You requested complete implementation of dual-screen system and timeline engine
 - ❌ Asset management via MCP not complete
 - ❌ Layout persistence not implemented
 
-### What's Fixed (v2.0.3)
+### What's Fixed (v2.0.4)
 - ✅ Screen manager with persistent instances (zero recreation)
 - ✅ Complete timeline specification with multi-track architecture
 - ✅ Timing resolver as single authoritative source
@@ -438,7 +438,7 @@ agent.execute("get_asset", {"asset_id": "..."})
 
 ## 📥 WHAT YOU'RE GETTING
 
-### Code Package (v2.0.3)
+### Code Package (v2.0.4)
 - ✅ screen_manager.py — Stateful dual-screen system
 - ✅ timing_resolver.py — Deterministic timing authority
 - ✅ layout_persistence.py — Complete state preservation
@@ -464,8 +464,8 @@ agent.execute("get_asset", {"asset_id": "..."})
 ### Quick Start
 ```bash
 # 1. Extract
-unzip EfficientManim-v2.0.3-complete.zip
-cd EfficientManim-v2.0.3-stabilized
+unzip EfficientManim-v2.0.4-complete.zip
+cd EfficientManim-v2.0.4-stabilized
 
 # 2. Review integration guide
 less INTEGRATION_GUIDE.md
@@ -526,5 +526,5 @@ This delivery provides:
 
 **End of Corrective Implementation**
 
-*EfficientManim v2.0.3 — Production Structural Correction Complete*
+*EfficientManim v2.0.4 — Production Structural Correction Complete*
 
diff --git a/docs/DELIVERY_SUMMARY.md b/docs/DELIVERY_SUMMARY.md
@@ -1,4 +1,4 @@
-# 🏆 EFFICIENTMANIM v2.0.3 — PRODUCTION DELIVERY
+# 🏆 EFFICIENTMANIM v2.0.4 — PRODUCTION DELIVERY
 
 ## ✅ PHASE 1: SYSTEM AUDIT — COMPLETE
 
@@ -26,15 +26,15 @@
 
 ### Critical Problem Fixed
 
-**Before (v2.0.3)**: Two competing keybinding systems with NO synchronization
+**Before (v2.0.4)**: Two competing keybinding systems with NO synchronization
 ```
 KeyboardShortcuts class ≠ KeybindingsPanel class ≠ QActions (in main window)
 User changes → Lost on restart or never apply to UI
 Missing "Render Video" action entirely
 Changes don't rebind without app restart
 ```
 
-**After (v2.0.3)**: Single source of truth with guaranteed synchronization
+**After (v2.0.4)**: Single source of truth with guaranteed synchronization
 ```
 KeybindingRegistry (authority) ← → Persistent JSON storage
                               ↓
@@ -175,7 +175,7 @@ Not yet implemented (as documented in audit):
 ### Included in ZIP File
 
 ```
-EfficientManim-v2.0.3-stabilized/
+EfficientManim-v2.0.4-stabilized/
 ├── CORE APPLICATION FILES
 │   ├── main.py [UPDATED] ...................... 8,503 lines (keybindings unified)
 │   ├── home.py ............................... 405 lines (unchanged)
@@ -222,8 +222,8 @@ EfficientManim-v2.0.3-stabilized/
 
 ```bash
 # 1. Extract
-unzip EfficientManim-v2.0.3-stabilized.zip
-cd EfficientManim-v2.0.3-stabilized
+unzip EfficientManim-v2.0.4-stabilized.zip
+cd EfficientManim-v2.0.4-stabilized
 
 # 2. Install dependencies
 pip install -r requirements.txt
@@ -263,7 +263,7 @@ See **README_IMPROVEMENTS.md** in the ZIP file for:
 
 ---
 
-## 🔍 WHAT'S NEW (v2.0.3 vs v2.0.3)
+## 🔍 WHAT'S NEW (v2.0.4 vs v2.0.4)
 
 ### Breaking Changes
 **NONE** — 100% backward compatible
@@ -289,13 +289,13 @@ See **README_IMPROVEMENTS.md** in the ZIP file for:
 
 ## 📊 CODE QUALITY METRICS
 
-**Before (v2.0.3)**:
+**Before (v2.0.4)**:
 - Lines of dead code: 144 (KeyboardShortcuts + KeybindingsPanel)
 - Duplicate registries: 2 (competing systems)
 - Data sync failures: 100% (no sync between systems)
 - Governance violations: 5 (identified in audit)
 
-**After (v2.0.3)**:
+**After (v2.0.4)**:
 - Lines of dead code: 0 (all removed)
 - Duplicate registries: 0 (unified into one)
 - Data sync failures: 0% (single source of truth)
@@ -418,7 +418,7 @@ EfficientManim is now a **serious, production-grade tool** with:
 
 ---
 
-**Version**: 2.0.3  
+**Version**: 2.0.4  
 **Release Date**: 2025-02-28  
 **Status**: ✅ Production Ready  
 **Risk Level**: LOW  
diff --git a/docs/EXECUTION_SUMMARY.md b/docs/EXECUTION_SUMMARY.md
@@ -40,7 +40,7 @@
 ## 📦 DELIVERABLES
 
 ### 1. Fixed & Stabilized Codebase ✅
-**File**: `EfficientManim-v2.0.3-stabilized.zip` (471 KB)
+**File**: `EfficientManim-v2.0.4-stabilized.zip` (471 KB)
 
 **Contents**:
 - main.py (8503 lines) — Refactored, keybindings integrated, Render Video action added
@@ -166,7 +166,7 @@
 ## 🚀 DEPLOYMENT
 
 ### How to Use
-1. Extract ZIP file: `unzip EfficientManim-v2.0.3-stabilized.zip`
+1. Extract ZIP file: `unzip EfficientManim-v2.0.4-stabilized.zip`
 2. Install dependencies: `pip install -r requirements.txt`
 3. Launch: `python main.py`
 4. Test: Press Ctrl+K to open new unified keybindings panel
@@ -312,4 +312,4 @@ EfficientManim has undergone **production-grade architectural stabilization**. T
 
 **End of Execution Summary**
 
-*Version 2.0.3 | Released 2025-02-28 | Production Ready*
+*Version 2.0.4 | Released 2025-02-28 | Production Ready*
diff --git a/docs/EXTENSION_PLATFORM_SPEC.md b/docs/EXTENSION_PLATFORM_SPEC.md
@@ -161,7 +161,7 @@ permission_manager.check_permission(ext_id, REGISTER_NODES)
       "author": "github_username",
       "repo": "extension_repo",
       "version": "1.0.0",
-      "engine_version": ">=2.0.3",
+      "engine_version": ">=2.0.4",
       "description": "...",
       "permissions": ["register_nodes", "register_timeline_track"],
       "verified": true,
@@ -405,7 +405,7 @@ GitHub installer clones repo
   "author": "...",
   "version": "...",
   "description": "...",
-  "engine_version": ">=2.0.3",
+  "engine_version": ">=2.0.4",
   "permissions": [...],
   "verified": true/false,
   "screenshot_urls": [...]
diff --git a/docs/FINAL_DELIVERY_EXTENSION_PLATFORM.md b/docs/FINAL_DELIVERY_EXTENSION_PLATFORM.md
@@ -1,6 +1,6 @@
-# 🏆 EFFICIENTMANIM v2.0.3+ EXTENSION PLATFORM — COMPLETE DELIVERY
+# 🏆 EFFICIENTMANIM v2.0.4+ EXTENSION PLATFORM — COMPLETE DELIVERY
 
-**Version**: 2.0.3 (Dual-Screen) + Extension Platform v1.0  
+**Version**: 2.0.4 (Dual-Screen) + Extension Platform v1.0  
 **Status**: ✅ **PRODUCTION COMPLETE**  
 **Scope**: Complete platform architecture with all subsystems  
 **Compliance**: 100% specification  
@@ -9,7 +9,7 @@
 
 ## 📊 COMPLETE DELIVERY SUMMARY
 
-### Phase 1: Dual-Screen & Timing Engine (v2.0.3)
+### Phase 1: Dual-Screen & Timing Engine (v2.0.4)
 ✅ **Delivered Previously**
 - ScreenManager (persistent dual-screen)
 - TimingResolver (deterministic timing)
@@ -279,7 +279,7 @@ extension_trigger_hook     → Trigger render hooks
 ### File Structure
 
 ```
-EfficientManim-v2.0.3-complete/
+EfficientManim-v2.0.4-complete/
 ├── Core Platform Modules
 │   ├── extension_manager.py
 │   ├── extension_api.py
diff --git a/docs/FINAL_SUMMARY.md b/docs/FINAL_SUMMARY.md
@@ -1,4 +1,4 @@
-# 🏆 EFFICIENTMANIM v2.0.3 — COMPLETE STRUCTURAL CORRECTION DELIVERED
+# 🏆 EFFICIENTMANIM v2.0.4 — COMPLETE STRUCTURAL CORRECTION DELIVERED
 
 ## ✅ MISSION ACCOMPLISHED
 
@@ -104,7 +104,7 @@ Plus all previous documentation
 
 ## 📦 DELIVERABLES
 
-### Code Package (EfficientManim-v2.0.3-complete.zip)
+### Code Package (EfficientManim-v2.0.4-complete.zip)
 
 **6 New Python Modules**:
 1. screen_manager.py (250 lines)
@@ -371,7 +371,7 @@ The incomplete implementation has been corrected completely. All structural issu
 
 ---
 
-**EfficientManim v2.0.3 — Structural Correction Complete**
+**EfficientManim v2.0.4 — Structural Correction Complete**
 
 *Ready for integration and deployment*
 
diff --git a/docs/PLATFORM_EXPANSION_COMPLETE.md b/docs/PLATFORM_EXPANSION_COMPLETE.md
@@ -158,7 +158,7 @@ api.register_node(...)  # Internally checks REGISTER_NODES
       "author": "github_username",
       "repo": "repo_name",
       "version": "1.0.0",
-      "engine_version": ">=2.0.3",
+      "engine_version": ">=2.0.4",
       "description": "...",
       "permissions": ["register_nodes"],
       "verified": true,
diff --git a/docs/README_IMPROVEMENTS.md b/docs/README_IMPROVEMENTS.md
@@ -1,4 +1,4 @@
-# EfficientManim v2.0.3 — INSTALLATION & DEPLOYMENT GUIDE
+# EfficientManim v2.0.4 — INSTALLATION & DEPLOYMENT GUIDE
 
 ## 🎯 What's New in This Release
 
@@ -20,7 +20,7 @@ cp -r /path/to/EfficientManim /path/to/EfficientManim.backup
 ### Step 2: Extract Updated Files
 ```bash
 cd /path/to/EfficientManim
-unzip EfficientManim-v2.0.3-stabilized.zip -o
+unzip EfficientManim-v2.0.4-stabilized.zip -o
 ```
 
 ### Step 3: Verify All Files Present
@@ -124,8 +124,8 @@ If missing, the fallback stubs will provide basic functionality.
 
 ## 📋 Version Information
 
-**Previous Version**: 2.0.3  
-**Current Version**: 2.0.3  
+**Previous Version**: 2.0.4  
+**Current Version**: 2.0.4  
 **Release Type**: Architectural Stabilization  
 **Breaking Changes**: None (backward compatible)  
 
diff --git a/docs/extensions.md b/docs/extensions.md
@@ -1,6 +1,6 @@
 # EfficientManim Extension Platform
 
-**Version**: 2.0.3 
+**Version**: 2.0.4 
 **Status**: Production-Ready  
 **Document Version**: 1.0.0
 
diff --git a/home.py b/home.py
@@ -143,7 +143,7 @@ def _build_ui(self):
         sidebar_layout.addStretch()
 
         # Version info
-        ver_lbl = QLabel("v2.0.3  •  Production")
+        ver_lbl = QLabel("v2.0.4  •  Production")
         font = QFont()
         font.setPointSize(9)
         ver_lbl.setFont(font)
diff --git a/main.py b/main.py
diff --git a/tests/test_extensions.py b/tests/test_extensions.py

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ def get_extension_info(self, author: str, repo: str) -> Dict:`
`103`	`103`	`"permissions": [...],`
`104`	`104`	`"dependencies": [...],`
`105`	`105`	`"verified": true,`
`106`		`- "engine_version": ">=2.0.3",`
	`106`	`+ "engine_version": ">=2.0.4",`
`107`	`107`	`"changelog": "...",`
`108`	`108`	`"screenshots": [...]`
`109`	`109`	`}`