Anthropic rejects requests whose system field is an empty string with
"system: text content blocks must be non-empty". The connection test
hardcoded an empty system, and regular completion/stream requests sent
an empty system_prompt when none was configured.

Add a claude_system_prompt() helper that substitutes a non-empty default
for empty or whitespace-only prompts, and apply it to all Claude request
sites. Covered by a unit test.

* feat(mq): implement Apache Pulsar message queue admin

- Add complete MQ admin adapter layer with version detection
  * Pulsar adapter with multi-version API support
  * OAuth2 token caching and authentication
  * JWT token signing for Pulsar clients
  * Transport layer (SSH/Proxy) integration

- Implement comprehensive admin operations
  * Tenant, namespace, topic management
  * Subscription and consumer/producer monitoring
  * Rate limits, backlog quotas, retention policies
  * Permissions and role-based access control
  * Raw admin API for advanced operations

- Add desktop UI components
  * MQ admin console with tabbed interface
  * Tenant, namespace, topic panels
  * Subscription management and cursor operations
  * Monitoring panel with stats visualization
  * Policy configuration UI

- Add web routes for MQ admin operations
- Add secret store support for MQ auth credentials
- Add comprehensive test coverage

* fix: del local test files

* fix(mq): mark message queue as unsupported mcpMode in driver manifest

MQ admin connections do not use the MCP query bridge - they use a
separate REST admin API. Mark mcpMode as 'unsupported' to align with
the test expectations and reflect the actual architecture.

Fixes CI test: driver-manifest.test.ts

* fix(mq): fix TypeScript errors in MQ components

- Fix typo in SubscriptionsPanel.vue: messagformatError(e)Id -> message.messageId
- Use formatError() helper in RawApiPanel.vue instead of accessing e?.message
- Fix undefined 'tab' reference in ConnectionTree.vue: use config.db_type instead

Fixes frontend CI TypeScript check errors.

* fix(mcp): add 'mq' to MCP server connection type description

The MCP server's connection type description must include all database
types from the driver manifest. Add 'mq' to the list to fix the test:
'add connection database type description includes every manifest database type'

Fixes: packages/mcp-server/tests/driver-manifest.test.ts

* fix(mq): add missing ConnectionConfig fields for Rust compilation

- Add gbase_server and keepalive_interval_secs fields to all ConnectionConfig
  test constructors in mq/config.rs, mq/service.rs, and storage.rs
- Import uses_bare_mysql_pool in connection.rs tests module

Fixes compilation errors from upstream ConnectionConfig changes.

* chore(ui): simplify Pulsar icon to logo-only version

Remove text from Pulsar icon (127x30 -> 35x30), keeping only
the wave logo symbol for a cleaner, more consistent appearance
with other database icons.

* fix(mq): return removed pools from drain_connection_pools

---------

Co-authored-by: t8y2 <1156263951@qq.com>

- add completion module: command names, two-stage subcommands, and key names
- key-name completion is async with a per-db cache capped at 1000 entries, cleared on disconnect
- gate key completion by argument position: stop after a single-key command is filled, keep suggesting for variadic key-list commands
- reuse the diagnostics command table as the data source, showing group/arity/safety

…sults

The result used filter:false + validFor, which CodeMirror treats as
mutually exclusive — validFor is ignored, so the list froze and the
selection did not move while typing. Build the result with the default
built-in filter so typing narrows the list and moves the selection.

* feat: highlight selected SQL matches

* fix(core): detect column extra changes (auto_increment, on_update) in table structure SQL generation

- Add has_column_extra_change check to build_column_sql skip condition
- Add is_column_extra_empty to handle None/Some(false)/empty ColumnExtra
- Fix false positives when extra is parsed but no effective change

* feat(generate): fix date range persistence, add i18n for data generation

* fix:Remove invalid references

* fix(generate): ensure config save/load covers all generator params

- Remove auto-reset watch in GeneratorParamsPanel that cleared params
  when loading a profile with different generatorKey
- Extend defaultGeneratorParams() to provide explicit defaults for all
  35+ generators (full_name, phone, email, barcode, url, file_path,
  foreign_key, image, regex, product_name, etc.) so profiles persist
  and restore correctly through JSON serialize/deserialize round-trip

---------

Co-authored-by: t8y2 <1156263951@qq.com>

…#1292)

The Redis key-name completion cache was only cleared on connection
lifecycle events, so SET/DEL/EXPIRE/... left autocomplete showing
stale keys. Drop the cache for the db each write command ran on:
- add isRedisMutatingCommand() based on the command-table safety field
(confirm = write; destructive blocked cmds minus read-only/admin ones)
- invalidate after each mutating command in queryStore batch execution
and in RedisKeyBrowser.runRedisCommand

… compatibility

…lica set discovery