feat(studio): add HumidiFi state scenarios

[92Infinitus92]

HumidiFi joins the shared PMM fair-value dialog with live market discovery and explicit market selection. Adds the stale-quote example, protocol icon and editor support, with coverage for protocol switching, catalog refresh and MCP validation.

Stacked on #11 (feat/tessera-support), which provides the shared PMM dialog and API helpers. Requires LimeChain/surfpool#16 for the HumidiFi tools and templates.

Validation:

• Full Studio Vitest: 26 files, 358 tests passed.
• tsc --noEmit, lint and production build: exit 0; existing lint/build warnings remain.
• Prettier: all changed TypeScript files and the SVG passed.

Confidence Score: 5/5

The PR appears safe to merge, with no actionable new defect established by the changes since the previous review.

Summary

Adds HumidiFi support to Studio’s PMM scenario workflow.

• Adds live HumidiFi market discovery and explicit market selection.
• Routes fair-value scenario creation through protocol-specific adapters.
• Adds HumidiFi stale-quote and liquidity-stress examples, protocol registration, and icon assets.
• Disambiguates markets sharing the same pair label and expands test coverage for discovery, switching, validation, and scenario creation.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
    U[User opens PMM dialog] --> P{Select protocol}
    P -->|Tessera| T[list_tessera_markets]
    P -->|HumidiFi| H[list_humidifi_markets]
    T --> M[Select or enter market]
    H --> M
    M --> V[Validate market and price]
    V -->|Tessera| CT[create_tessera_fair_value_scenario]
    V -->|HumidiFi| CH[create_humidifi_fair_value_scenario]
    CT --> S[Open created scenario]
    CH --> S

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_{Reviews (3) · Last reviewed commit: "fix(studio): name the HumidiFi market a ..."}

[github-actions]

No concrete bugs found in the changes introduced by 7b32689.

One improvement: add a test for rapid Tessera → HumidiFi switching where the Tessera market request resolves last. Verify that its stale response cannot overwrite HumidiFi’s catalog or selected market.

Tests weren’t run because dependencies aren’t installed. The backend contract with LimeChain/surfpool#16 remains unverified.