Jeremiah Lowin 1be9b4d39c

Comprehensive MCP Apps docs, string CallTool resolution (#3575) ...

* Comprehensive MCP Apps docs, string CallTool resolution, bump prefab-ui >=0.13.0

Rewrites the apps documentation as a learning journey: overview → Prefab apps
→ FastMCPApp → patterns → dev tools → custom HTML. Adds a new FastMCPApp page
covering composable apps with @app.tool()/@app.ui(), CallTool, forms, actions,
and composition. Teaches Rx() and set_initial_state() as the primary state API.

Adds string-based CallTool resolution so CallTool("save_contact") resolves to
the tool's global key, matching callable ref behavior. Requires prefab-ui 0.13.0
which passes strings through the tool resolver.

* Detect ambiguous string CallTool resolution across apps

* Simplify string name registry to plain dict (last-write-wins)

2026-03-21 19:44:11 -04:00

322 KiB

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