docs: rewrite README from the e2e-ui home story - #201
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Lead with the playground teaching path — the bar, backstory, and the unidirectional loop from command to replica — instead of a crate-tour quick start. Keep the API reference from Feature Flags onward. Implements [[tasks/service-authoring-1]]
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📝 WalkthroughWalkthroughThe README was substantially rewritten to describe Distributed as an end-to-end distributed application framework. It now documents architecture, CQRS, event sourcing, read models, projections, services, browser integration, authentication, testing, and dependencies. The standalone License heading was removed. ChangesREADME documentation
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🟡 Moderate · up to The README rewrite is documentation-only, but it currently gives an invalid dependency path for the e2e-ui crate layout, which can prevent users from following the setup successfully; merge should wait for that path to be corrected or clearly documented as a workspace placeholder. Minor code-fence and example-alignment follow-ups also remain. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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In `@README.md`:
- Around line 119-126: Update the README example by separating the command
snippets into a TypeScript code fence and the Todos query into a GraphQL code
fence, or relabel the entire example as pseudocode; do not mark the mixed
TypeScript and GraphQL content as rust.
- Around line 243-265: Update the README projection example to match the linked
todos implementation, including the distributed::projection! macro, epoch value
"e2e-ui-todos-v2", and all lifecycle event mappings; alternatively, clearly
label the block as an abbreviated example.
- Around line 314-327: Update the README service example around Service::new to
either label the block explicitly as pseudocode or show the required route
inputs for repo, locks, read_models, and projection ownership in each module
route. Keep the example’s service composition and module-role guidance
unchanged.
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README.md
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Format the Todos query for better readability.
Home page and README now state that Rust definitions generate the GraphQL schema and typed client; auto-optimism applies the projection mutation to a client replica cache (same program as the SQL projector); and advanced cases ship the domain pure as WASM for the generated host. Implements [[tasks/service-authoring-1]]
The playground is the full path. The same crates stay usable a la carte — aggregates only, bus only, GraphQL without the replica. Drop the old "not a toolkit" line that fought that adoption model. Implements [[tasks/service-authoring-1]]
Split the CQRS example into ts and graphql fences. Label the todos projection as abbreviated and add epoch plus the crate-root macro. Show the real routes(...) inputs from compose.rs. Implements [[tasks/service-authoring-1]]
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Why
The e2e-ui home page is the better product explanation. The crate README still opened as a library tour (generic handlers,
At a Glance, a long in-crate Quick Start) that predates service crates, named read models, snake_case mutation IR, and default-off HTTP command routes.What changed
Rewrite the front of
README.mdto follow the playground teaching path:tests/e2e-ui/ui/src/routes/+page.svelteordering-api)API reference from Feature Flags onward is unchanged, except the duplicate
## Licenseheading is dropped.Out of scope
No runtime or playground code changes. The living copy remains on the home page; this PR mirrors it for GitHub / crates.io.
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