fix: invalidate plugin detail caches after plugin update

[HuTsing]

Fixes #36999

Summary

After updating a plugin, the detail panel (model list, tool list, strategy list) displays stale data because the corresponding React Query caches are never invalidated. Only the installed plugin list is refreshed.

• Model plugins: model list still shows old models after update
• Tool plugins: tool list doesn't reflect newly added/removed tools
• Agent-strategy plugins: strategy list remains stale

Root Cause

The handleDelete path already had category-specific cache invalidation (refreshModelProviders, invalidateAllToolProviders) but handlePluginUpdated — used by both marketplace and GitHub update flows — did not. This was an oversight introduced during refactoring in #31870 and #33289.

Fix

Centralize cache invalidation in handlePluginUpdated so both update and delete paths properly clear:

• ['models', 'model-list'] + global model providers for model plugins
• ['tools', 'builtin-provider-tools'] + all tool providers for tool plugins
• ['strategy', 'detail'] for agent-strategy plugins

This also removes the now-redundant invalidation calls from handleDelete.

Screenshots

Before fix — Plugin updated from 0.0.15 → 0.0.28, but model list still shows 37 models:

After fix — Version updated to 0.0.28, model list refreshes immediately:

Test plan

• Existing unit tests for usePluginOperations pass (with added useQueryClient mock)
• Update a model plugin (e.g. ZHIPU AI) → verify model list refreshes immediately
• Update a tool plugin → verify tool list refreshes
• Update an agent-strategy plugin → verify strategy list refreshes
• Delete a plugin → verify behavior unchanged (no regression)

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