feat: Implement DeepWiki documentation generation tools

- Added `__init__.py` in `codexlens/tools` for documentation generation.
- Created `deepwiki_generator.py` to handle symbol extraction and markdown generation.
- Introduced `MockMarkdownGenerator` for testing purposes.
- Implemented `DeepWikiGenerator` class for managing documentation generation and file processing.
- Added unit tests for `DeepWikiStore` to ensure proper functionality and error handling.
- Created tests for DeepWiki TypeScript types matching.

.claude/skills/spec-generator/specs/glossary-template.json

@@ -0,0 +1,29 @@
+{
+  "$schema": "glossary-v1",
+  "description": "Template for terminology glossary used across spec-generator documents",
+  "session_id": "",
+  "generated_at": "",
+  "version": 1,
+  "terms": [
+    {
+      "term": "",
+      "definition": "",
+      "aliases": [],
+      "first_defined_in": "product-brief.md",
+      "category": "core"
+    }
+  ],
+  "_usage_notes": {
+    "category_values": {
+      "core": "Domain-specific terms central to the product (e.g., 'Workspace', 'Session')",
+      "technical": "Technical terms specific to the architecture (e.g., 'gRPC', 'event bus')",
+      "business": "Business/process terms (e.g., 'Sprint', 'SLA', 'stakeholder')"
+    },
+    "rules": [
+      "Terms MUST be defined before first use in any document",
+      "All documents MUST use the canonical 'term' field consistently",
+      "Aliases are for reference only - prefer canonical term in all documents",
+      "Phase 6 validates glossary compliance across all documents"
+    ]
+  }
+}