Table accessor + capabilities trait

[onx2]

Summary

Update bevy_stdb to use SpacetimeDB's generated TableAccessor markers and granular table capability traits.

Table registration no longer requires a lifetime-sensitive callback:

- .add_table::<Player>(|reg, db| reg.bind(db.player()))
+ .add_table::<PlayerTableAccessor>()

Binding internals now use the precise SDK capabilities:

• TableLike
• WithInsert
• WithDelete
• WithUpdate

This removes the need to rely on broader semantic traits such as Table, TableWithPrimaryKey, and EventTable.

The result is simpler registration, better lifetime handling, and more precise compile-time guarantees. For example, insert-only sources only require WithInsert, while update bindings require WithUpdate explicitly. Views with primary keys can therefore support updates when their generated handle provides that capability.

[Copilot]

Pull request overview

This PR refactors table binding/registration to use SpacetimeDB SDK “table accessor + capability traits” (e.g., TableAccessor, TableLike, WithInsert/WithDelete/WithUpdate), replacing the previous binder-struct API and updating documentation/examples accordingly.

Changes:

• Replace TableBinder/ViewBinder/etc. with capability-based binding helpers (bind_table, bind_table_without_pk, bind_insert).
• Update StdbPlugin builder methods to register tables/views/event tables via generated *TableAccessor marker types.
• Bump bevy_stdb to 0.13.0, update SpacetimeDB dependency versions, and refresh the example bindings/lockfiles.

Reviewed changes

Copilot reviewed 11 out of 13 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/table/mod.rs	Switches table module exports to the new bind helper functions.
src/table/bind.rs	Implements capability-trait-based binding helpers for insert/delete/update/insert-update.
src/plugin.rs	Updates StdbPlugin table/view/event-table registration API to use TableAccessor + capability bounds.
src/lib.rs	Updates crate-level docs to reflect the new accessor-based API.
README.md	Updates usage examples and explanation text for accessor-based registration.
examples/simple/server/Cargo.toml	Updates SpacetimeDB server dependency requirement.
examples/simple/client/src/stdb.rs	Updates example client to register a table via *TableAccessor.
examples/simple/client/src/module_bindings/player_table.rs	Adds generated TableAccessor + TableLike + capability trait impls for the player table handle.
examples/simple/client/src/module_bindings/mod.rs	Updates generated-by SpacetimeDB CLI version comment.
examples/simple/client/Cargo.toml	Updates spacetimedb-sdk dependency version (including wasm target dep).
examples/simple/Cargo.lock	Updates example lockfile versions for the new dependency set.
Cargo.toml	Bumps crate version and updates spacetimedb-sdk dependency requirement.
Cargo.lock	Updates lockfile to bevy_stdb 0.13.0 and newer SpacetimeDB-related crates.

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