docs: update changelog [skip ci]

Author: github-actions[bot]

CHANGELOG.md

@@ -12,3 +12,31 @@
 
 #### 🚀 Features
 * Add Runtime Signals to the knowledge graph: Cobertura test coverage report processing, associated new entity and relationship types, and integrate into graph building. (`73d8ef1`)
+
+
+---
+
+## [Unreleased] - 2025-12-18
+
+**Focus:** Bug Fixes
+
+### 🧠 Temporal Context & Intent
+> *Auto-generated: Add context about why these changes were made.*
+
+### 🏗️ Architectural Impact
+> *Auto-generated: Describe high-level architectural shifts.*
+
+### 📝 Delta Changes
+
+#### 🚀 Features
+* Added manual manual changelog generation capability in CI pipeline. Added flexibility in content scoping for the changelog (`d8207a4`)
+
+#### 🐛 Fixes
+* fix linting errors add future annotations import to all modules (`d6559d2`)
+* Changes to address tree-sitter-languages dependency issues: - Restricted `requires-python` in `pyproject.toml` to `<3.13`. - User removed 3.13 from `ci-cd.yml`. (`745b38c`)
+
+#### 🔨 Refactoring
+* Remove unused imports and update Python version range in lock file. Also, fixed linting issues. (`72a63ec`)
+
+#### 📦 Other Changes
+* ci: add step to commit and push generated changelog. (`4039499`)