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Summary

Adds Magpie as an inline connection in Settings → Models. Detect the gateway, refresh its model catalog, and import selected models into the existing model list; stable model IDs preserve defaults and model-pool references. Existing connections can be edited without dropping models that disappear from the catalog.

Discovery verifies /api/hello before reading /v1/models, distinguishes offline/authentication/catalog failures, and runs on the selected inference host. A negotiated magpie_discovery_v1 capability gates older peers. Loopback discovery and model requests bypass outbound proxies, while remote endpoints retain the configured proxy policy.

Refreshing keeps the current catalog, selection, search and scroll mounted, avoiding the settings-page jump. Includes English, Simplified Chinese and Traditional Chinese copy.

Validation

• 209 focused model-settings, import and peer capability tests passed.
• Rust gateway discovery, loopback/proxy transport, persisted DTO compatibility, remote operation registry, CLI dispatch closure and 9 Desktop remote-workspace policy tests passed.
• Web type checking, Appearance/theme checks, i18n audit, core boundaries and generated capability checks passed. Frontend lint passed with existing warnings.
• Local native UI exercised with a real Magpie gateway, including repeated catalog refreshes and offline detection.

Physical Peer Device, SSH, Remote Control and Detached Dispatch scenarios were not exercised; peer routing and unsupported-host behavior are covered by fixtures.