fix: Load SupportedDevices from Ecosystem device model summaries

[sybohy]

SupportedDevices / <seam-supported-devices> now loads Ecosystem's slim GET /v1/device_models/summaries/list (seamapi/ecosystem#69, DEVDB-437) instead of device_models/list. The summaries return the same models, filters and caller rules, including the manufacturer-key default, but without marketplace and commerce listings. The component's attribute API is unchanged.

Refs DEVDB-445, DEVDB-437

Payload (production, ?manufacturer=…&limit=500)

Manufacturer	Endpoint	Models	JSON	brotli on the wire	gzip
yale	device_models/list (before)	169	5,508,728 B (5.5 MB)	383,666 B (384 kB)	547,096 B
yale	device_models/summaries/list (after)	169	2,544,613 B (2.5 MB)	213,679 B (214 kB)	236,144 B
schlage	device_models/list (before)	17	1,205,025 B (1.2 MB)	88,131 B (88 kB)	112,681 B
schlage	device_models/summaries/list (after)	17	520,744 B (521 kB)	53,594 B (54 kB)	67,602 B

That's about 44% less on the wire for Yale and 39% less for Schlage, and 54–57% less JSON to parse. Most of what's left in the summaries is variant images and their renditions.

Changes

• New internal hook useEcosystemDeviceModelSummaries. It follows pagination like useEcosystemDeviceModels and is not exported.
• The exported useEcosystemDeviceModels still returns the full DeviceModel shape.
• New types copied from Ecosystem public-types (origin/main 055335c): DeviceModelSummary, DeviceModelSummaryVariant, DeviceImage, DeviceImageFormat, CapabilitySummary and DeviceModelSummariesListResponse. EmbedResolution.manufacturer_context is now documented as shipped (DEVDB-439).
• The SupportedDevices helpers now take the summary shape.
• Fake Ecosystem API changes, to match what Ecosystem does now:
  • Adds v1/device_models/summaries/list, including include=commerce.
  • Validates an embed key on the optional-auth reads when one is sent.
  • A manufacturer key defaults manufacturer on the device model routes and /compatibility.
  • embed/resolve returns manufacturer_context.
  • include_forbidden is ignored for public callers.
• Tests:
  • A new test asserts SupportedDevices requests device_models/summaries/list and never device_models/list.
  • The fake Ecosystem now runs in-process through a fetch stub instead of a local HTTP server. On a busy machine the server's OS-assigned port could take the port the fake Devicedb server had just reserved, which made EADDRINUSE failures flaky. That also happens on main today.

Checks run locally

npm run lint, npm run typecheck, npm test (65 tests, 3 runs in a row), npm run build and npm run size all pass. ecosystem.js is 208.5 kB raw / 65.8 kB gzip, unchanged.

Storybook's Ecosystem/SupportedDevices stories call embed/resolve, device_models/summaries/list and manufacturers/list with no console errors. The component's helpers were also run against the real Yale summaries response: 169 models, images and capabilities resolve.

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