Explicit state and event id minification

[benedikt-bartscher]

Summary

Add state and event name minification with CLI management tools.

• Introduces minify.json config file to map state/event names to short IDs (e.g., myapp.state.AppState → "a")
• Adds reflex minify CLI command group for managing minification
• Reduces frontend bundle size and WebSocket payload size by replacing long state/event paths with compact identifiers

CLI Commands

# Initialize minify.json with IDs for all states and events
reflex minify init

# Sync minify.json after code changes
reflex minify sync
reflex minify sync --prune --reassign-deleted

# Validate config against current codebase
reflex minify validate

# List state tree with minified names
reflex minify list
reflex minify list --json

# Lookup a minified path
reflex minify lookup "a.bU"

based on #6098

[codspeed-hq]

Merging this PR will not alter performance

✅ 9 untouched benchmarks

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_{Comparing benedikt-bartscher:explicit-event-id-minification (9b57ec1) with main (1a64caa)}

[abulvenz]

Very tiny optical nit, cause sometimes EventHandlers is the last sub item.
It might work like this, didn't test it.

Suggested change

	console.log(f"{child_prefix}|-- Event Handlers:")
	console.log(f"{child_prefix}{'|' if has_substates else '`'}-- Event Handlers:")

[benedikt-bartscher]

TODO: best-effort-mode

• walk trough the state id registry after the app module get's imported
• filter out all states with explicit state id
• sort the remaining states without state id by full name
• assign state ids - start with the highest user defined state id - users might have fragmentation by choice

a similar thing can be implemented for event handler id's

edit: not that easy, as state names are baked into to many things (events, vars etc). we would need to defer init_subclass and possibly parts of @rx.var and @rx.event

edit2: i have found a better approach with a minify.json which makes this obsolete

[benedikt-bartscher]

Open for discussion: Should reflex reserve the first 5/10 state id's for internal states? Current reflex uses 0-3, but that might change in the future.

edit: with sibling uniqueness we would just need to reserve the state id's on the first rx.State subclass level.

edit2: i have found a better approach with a minify.json which makes this obsolete

[benedikt-bartscher]

TODO: think about sibling uniqueness for states. currently using global uniqueness

edit: adjusted in 6b4c5fa

[benedikt-bartscher]

Idea: store ids in a minify.json file

• allows overwriting state ids for upstream dependencies and reflex core
• one centralized place for the ids
• keep track of reserved numbers
• better automatic instrumentation - state and event ids can all be managed with cli - without manual code changes
• can be loaded once on startup and is frozen - probably faster
• no best effort mode needed