feat(frontend): Next.js scaffolding + core config model + YAML serializers - #76
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…izers Foundation for InGen Studio, a Next.js 15 / React 19 SPA for building ingen YAML configs visually. This PR ships only the non-visual base that later UI PRs build on: - Build scaffolding: package.json/lock, next.config.mjs, jsconfig.json (@/* import alias), eslint.config.js, .env* (adapter-mode config: mock vs http), public/ assets. - src/models/: the in-memory config shape everything else depends on (configModel, types, constants) plus applyIntent/interfaceOps, the deterministic executor for the inChat assistant's ops. - src/serializers/: lossless YAML <-> model round-trip. - src/utils/id.js, src/lib/fuzzy.js: small, dependency-free helpers that models/applyIntent import directly (pulled forward from the later state/hooks/lib wave since configModel and applyIntent need them to even load). Routing, adapters/services, state, and all UI components are separate follow-up PRs — this PR alone does not build a running app (no src/app/ yet), by design. ## Testing - `npm run lint` — clean. - `npm run test` — 43/43 passed (models + serializers unit tests, including round-trip yaml -> model -> yaml losslessness). Signed-off-by: maan-iitd2 <maan.iitd.ac.in@gmail.com>
Jatin-8898
approved these changes
Aug 6, 2026
Comments cited a DESIGN.md that does not exist in this repository, and
internal project-phase vocabulary ('Phase 0/1/5.1') that is meaningless
to an external reader. Replace them with descriptions of what the code
actually does.
Signed-off-by: maan-iitd2 <maan.iitd.ac.in@gmail.com>
The filename referenced an internal project phase rather than the ops under test. Signed-off-by: maan-iitd2 <maan.iitd.ac.in@gmail.com>
DhirajRathore
approved these changes
Sep 8, 2026
…med sources, run_config passthrough, shared constants - reorderInterfaces rejects repeated names instead of silently dropping one - yamlToModel throws on a source without an id (matches backend source["id"]) - run_config holds only what the file declares; backend resolves defaults - applyIntent uses SOURCE_TYPES/OUTPUT_TYPES from constants.js (also fixes splitted_file being rejected by the local copy) Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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What
First frontend PR: InGen Studio, a Next.js 15 / React 19 SPA for building ingen YAML configs visually. This PR ships only the non-visual foundation:
package.json/lock,next.config.mjs,jsconfig.json(@/*→src/*alias),eslint.config.js,.env*(adapter-mode config —mock: localStorage + simulated runs, no backend needed;http: talks to the FastAPI wrapper in feat(backend): thin FastAPI wrapper around the ingen CLI #75),public/assets.src/models/— the in-memory config shape everything else depends on (configModel,types,constants), plusapplyIntent/interfaceOps, the deterministic executor that turns the inChat assistant's{ops}into model mutations.src/serializers/— lossless YAML ↔ model round-trip (yamlSerializer/yamlDeserializer).configModel/applyIntentimport them directly and won't load without them:src/utils/id.js(id generation) andsrc/lib/fuzzy.js(Levenshtein distance, used for inChat's "did you mean 'status'?" column-typo correction).Not in this PR, by design: routing (
src/app/), adapters/services, state/hooks, or any UI component. This PR alone does not build a running app — that lands over the next few PRs (adapters/state → app shell → editor UI), each building on this one.Testing
npm install && npm run lint— clean, no errors.npm run test— 43/43 passed, covering the config model (add/remove/rename/reorder interfaces and sources, validation),applyIntent(including a dedicated suite for the remove/add-transform ops), and the YAML serializers (round-trip losslessness, deterministic/idempotent output, key ordering, empty-section dropping).What it looks like
This PR is a library layer with no UI of its own, but the serializer is what produces the YAML a
user actually ships. Below is
modelToYamloutput rendered live in the Studio — key ordering,section ordering and empty-section dropping are all this PR's code:
🤖 Generated with Claude Code