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.

docs/research/unraid-api-crawl.md

@@ -468,6 +468,9 @@ unraid-api apikey --delete --name "workflow key" --json
 #!/bin/bash
 set -e
 
+# Set up cleanup trap early so it fires even if key creation fails
+cleanup() { echo "Cleaning up..."; unraid-api apikey --delete --name "temp deployment key" 2>/dev/null || true; }
+
 # 1. Create temporary API key
 echo "Creating temporary API key..."
 KEY_DATA=$(unraid-api apikey --create \
@@ -476,20 +479,20 @@ KEY_DATA=$(unraid-api apikey --create \
   --description "Temporary key for deployment $(date)" \
   --json)
 
+# Register trap after key creation succeeds
+trap cleanup EXIT
+
 # 2. Extract the API key
 API_KEY=$(echo "$KEY_DATA" | jq -r '.key')
 echo "API key created successfully"
 
 # 3. Use the key for operations
 echo "Configuring services..."
-curl -H "Authorization: Bearer $API_KEY" \
+curl -H "x-api-key: $API_KEY" \
   -H "Content-Type: application/json" \
   -d '{"provider": "azure", "clientId": "your-client-id"}' \
   http://localhost:3001/graphql
 
-# 4. Clean up (always runs, even on error)
-trap 'echo "Cleaning up..."; unraid-api apikey --delete --name "temp deployment key"' EXIT
-
 echo "Deployment completed successfully"
 ```
 
@@ -714,6 +717,8 @@ type Mutation {
 }
 ```
 
+> **Note:** The client schema above uses `ID!` for disk mutation args (e.g., `mountArrayDisk(id: ID!)`), but the actual server resolvers use `PrefixedID!`. The MCP tool code correctly uses `PrefixedID!` based on server source analysis.
+
 #### Subscription Type
 
 ```graphql