fix: address 54 MEDIUM/LOW priority PR review issues

Comprehensive fixes across Python code, shell scripts, and documentation
addressing all remaining MEDIUM and LOW priority review comments.

Python Code Fixes (27 fixes):
- tools/info.py: Simplified dispatch with lookup tables, defensive guards,
  CPU fallback formatting, !s conversion flags, module-level sync assertion
- tools/docker.py: Case-insensitive container ID regex, keyword-only confirm,
  module-level ALL_ACTIONS constant
- tools/virtualization.py: Normalized single-VM dict responses, unified
  list/details queries
- core/client.py: Fixed HTTP client singleton race condition, compound key
  substring matching for sensitive data redaction
- subscriptions/: Extracted SSL context creation to shared helper in utils.py,
  replaced deprecated ssl._create_unverified_context API
- tools/array.py: Renamed parity_history to parity_status, hoisted ALL_ACTIONS
- tools/storage.py: Fixed dict(None) risks, temperature 0 falsiness bug
- tools/notifications.py, keys.py, rclone.py: Fixed dict(None) TypeError risks
- tests/: Fixed generator type annotations, added coverage for compound keys

Shell Script Fixes (13 fixes):
- dashboard.sh: Dynamic server discovery, conditional debug output, null-safe
  jq, notification count guard order, removed unused variables
- unraid-query.sh: Proper JSON escaping via jq, --ignore-errors and --insecure
  CLI flags, TLS verification now on by default
- validate-marketplace.sh: Removed unused YELLOW variable, defensive jq,
  simplified repository URL output

Documentation Fixes (24+ fixes):
- Version consistency: Updated all references to v0.2.0 across pyproject.toml,
  plugin.json, marketplace.json, MARKETPLACE.md, __init__.py, README files
- Tool count updates: Changed all "26 tools" references to "10 tools, 90 actions"
- Markdown lint: Fixed MD022, MD031, MD047 issues across multiple files
- Research docs: Fixed auth headers, removed web artifacts, corrected stale info
- Skills docs: Fixed query examples, endpoint counts, env var references

All 227 tests pass, ruff and ty checks clean.

CLAUDE.md

@@ -21,23 +21,18 @@ uv sync --group dev
 # Local development with uv (recommended)
 uv run unraid-mcp-server
 
-# Using development script with hot reload
-./dev.sh
-
 # Direct module execution
 uv run -m unraid_mcp.main
 ```
 
 ### Code Quality
 ```bash
-# Format code with black
-uv run black unraid_mcp/
-
-# Lint with ruff
+# Lint and format with ruff
 uv run ruff check unraid_mcp/
+uv run ruff format unraid_mcp/
 
-# Type checking with mypy
-uv run mypy unraid_mcp/
+# Type checking with ty (Astral's fast type checker)
+uv run ty check unraid_mcp/
 
 # Run tests
 uv run pytest
@@ -49,13 +44,13 @@ uv run pytest
 docker build -t unraid-mcp-server .
 
 # Run with Docker Compose
-docker-compose up -d
+docker compose up -d
 
 # View logs
-docker-compose logs -f unraid-mcp
+docker compose logs -f unraid-mcp
 
 # Stop service
-docker-compose down
+docker compose down
 ```
 
 ### Environment Setup
@@ -123,4 +118,4 @@ The server loads environment variables from multiple locations in order:
 - Increased timeouts for disk operations (90s read timeout)
 - Selective queries to avoid GraphQL type overflow issues
 - Optional caching controls for Docker container queries
-- Log file overwrite at 10MB cap to prevent disk space issues
+- Log file overwrite at 10MB cap to prevent disk space issues