feat: add keymaster/list_locks websocket command for dashboard strategy

[raman325]

Summary

Add a new keymaster/list_locks WebSocket command that returns entry_id and lock_name for all configured locks. This replaces the use of Home Assistant's generic config_entries/get API which excludes the data field for security reasons.

Proposed change

• Add ws_list_locks WebSocket command to websocket.py that returns a list of locks with entry_id and lock_name
• Update dashboard-strategy.ts to use keymaster/list_locks instead of config_entries/get
• Simplify types.ts with new KeymasterLockEntry interface
• Add Python tests for the new WebSocket command

Type of change

• Bugfix (non-breaking change which fixes an issue)

Additional information

• This PR fixes or closes issue: fixes the "No Keymaster configurations found!" error for fully managed dashboards
• This PR is related to issue: Add Lovelace strategies (dashboard, view, section) for dynamic UI generation #536 (introduced the bug), fix: filter invalid config entries in dashboard strategy #541, fix: use correct config entry key 'lockname' (not 'lock_name') #542 (partial fixes)

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR fixes a bug where the dashboard strategy was attempting to access entry.data.lockname, which is not available because Home Assistant's config_entries/get WebSocket API intentionally excludes the data field for security reasons. The fix uses entry.title instead, which contains the lock name.

Changes:

• Removed the data field from the KeymasterConfigEntry interface
• Updated all references from entry.data.lockname to entry.title in the dashboard strategy
• Updated tests to reflect the new structure and validation logic

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
lovelace_strategy/types.ts	Removed data field from KeymasterConfigEntry interface and added documentation explaining the API behavior
lovelace_strategy/dashboard-strategy.ts	Updated filtering, sorting, and title assignment to use entry.title instead of entry.data.lockname
lovelace_strategy/dashboard-strategy.test.ts	Updated mock factory and test cases to remove data field and validate title filtering

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.86%. Comparing base (a9a30ef) to head (ff6ace8).
⚠️ Report is 4 commits behind head on beta.
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Additional details and impacted files

@@            Coverage Diff             @@
##             beta     #543      +/-   ##
==========================================
+ Coverage   80.86%   81.86%   +0.99%     
==========================================
  Files          19       28       +9     
  Lines        2341     2569     +228     
  Branches        0       24      +24     
==========================================
+ Hits         1893     2103     +210     
- Misses        448      466      +18     

Flag	Coverage Δ
python	82.17% <100.00%> (?)
typescript	71.79% <100.00%> (?)

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