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feat: engineering quality gates & developer experience (Epic #652)#670

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feat: engineering quality gates & developer experience (Epic #652)#670
christianahtemitope2005 wants to merge 23 commits into
FinesseStudioLab:mainfrom
christianahtemitope2005:feat/epic-652-quality-gates-dx

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Implements all six work items from the Epic/consolidation issue:

Coverage gates (JS + Rust)

  • Expanded vitest.config.js to cover all src//*.test.{js,jsx,ts,tsx} files (previously only src/hooks/) and added @vitest/coverage-v8 with thresholds: lines 40%, functions 35%, branches 35%, statements 40%.
  • Added test:coverage script to frontend; CI runs it and uploads the lcov report as an artifact. Failures block the PR.
  • Added cargo-llvm-cov to contracts-ci.yml with a 60% line-coverage threshold. The Python snippet reads the JSON report and exits non-zero when the threshold isn't met.

API contract tests

  • New backend/src/integration/openapi-contract.test.js validates live HTTP responses (success + error shapes) against the schemas declared in openapi.yaml using Ajv. Tests cover /health, /api/v1/campaigns (list, by-id, 404), POST create (201 + 422), and /api/v1/config.
  • Added ajv-formats to backend devDependencies and a test:contract script; backend-ci.yml runs it as a separate step.

Deterministic test factories & seeders

  • backend/src/tests/factories.js — makeCampaign, makeCampaignInput, makeParticipant, makeApiKey, makeCampaigns with a resettable sequence counter so every call yields unique, predictable fixtures.
  • backend/src/tests/seed.js — idempotent SQLite seed script for local dev and devnet workflows.
  • frontend/src/tests/factories.js — mirrors API response shape for component-level unit tests; includes makeCampaignListResponse helper.

Bundle budget + route-level code splitting

  • App.jsx: converted all non-landing routes to React.lazy() + Suspense so each page is a separate async chunk.
  • vite.config.js: manualChunks splits vendor-react, vendor-router, vendor-charts (recharts/d3), and vendor-stellar into cacheable chunks.
  • scripts/check-bundle-size.mjs: post-build gate that fails CI if any single JS chunk > 600 KB or total JS > 2 000 KB (uncompressed).
  • Added check:bundle to root package.json; frontend-ci.yml runs it immediately after the Vite build and before artifact upload.

URL-synced filter/sort/search

  • Already implemented in Landing.jsx via useSearchParams (q, active, sortKey, page params); confirmed working, no further changes needed.

Auto-published contract TypeScript bindings

  • New .github/workflows/release-bindings.yml triggers on vX.Y.Z tags, builds WASM, generates bindings via npm run contracts:build-bindings, computes SHA-256 hashes of both WASM files, writes metadata.json (version, generatedAt, wasmSha256, contractId), scaffolds the @trivela/contract-bindings package, and publishes to GitHub Packages.

Closes #652

joelpeace48-cell and others added 13 commits June 19, 2026 15:20
…ferral-rewards-656

feat(rewards): on-chain referral reward engine with anti-abuse (FinesseStudioLab#656)
)

Register and claim now reflect the expected state the instant the user
submits, then reconcile with chain truth on success or roll back on
failure — so successful actions feel instant and failures recover cleanly.

- useOptimisticAction hook (src/hooks): drives the
  idle → pending → success | error lifecycle. Applies an optimistic update,
  awaits the action, reconciles on success, and rolls back on failure. A
  synchronous in-flight latch guards against double-submit (a second click
  is ignored, never fires a second transaction). Rollback only runs if the
  optimistic update was actually applied.
- errorMapping: add classifyError + mapError giving each failure a class
  (contract | wallet | network | rpc | validation | unknown) with distinct
  messaging — a network/RPC outage now reads differently from a contract
  revert, and contract reverts keep their precise per-code copy.
- RegisterCampaign: status flips to "Registered" optimistically on submit;
  rolls back to the prior status on failure with a mapped error.
- ClaimRewards: clears the input optimistically + shows a pending indicator;
  restores the amount on failure; reconciles the balance via onClaimSuccess.
- TransactionStatus: new pending/success/error variant (backward compatible)
  so the pending state shows before a hash exists and errors render inline.

Tests (src/hooks/useOptimisticAction.test.jsx, runs under the vitest
include): optimistic-apply + reconcile, rollback on failure, no rollback
when the optimistic step itself throws, double-submit guard, reset, and
error classification (contract vs wallet vs network vs rpc messaging).

A live register/claim E2E that forces a failure needs the docker-compose
backend (the CI playwright run has none and skips the lifecycle suite), so
rollback is covered here at the hook/integration level; the E2E can follow
in that environment.
…ptimistic-register-claim

feat(frontend): optimistic UI for register/claim with rollback (FinesseStudioLab#627)
…sseStudioLab#626)

Replaces wasteful interval polling with a live SSE stream for campaign /
participant state, while keeping polling as an automatic fallback.

- lib/realtimeClient.js: dependency-free SSE subscription client. Parses
  JSON messages into { id, type, data }, de-duplicates by event id over a
  bounded window (idempotent against replays / out-of-order delivery), and
  reconnects with capped exponential backoff driven explicitly (so the UI can
  fall back to polling while disconnected). EventSource is injectable.
- hooks/useRealtimeSubscription.js: React wrapper that opens/closes the
  subscription for a url while enabled and exposes the connection status;
  onEvent is read via a ref so re-renders don't churn the connection.
- hooks/useCampaignLiveUpdates.js: drop-in augmentation of useCampaignPolling.
  While the stream is live, interval polling is paused; each event merges
  carried campaign fields into the cache (counts/claims update live) and
  triggers a refresh to reconcile with the authoritative API + on-chain state.
  On disconnect, polling resumes. With no stream configured it is pure
  polling, exactly as before (useCampaignPolling is left untouched).
- config.js: getRealtimeUrl(campaignId) resolves VITE_REALTIME_URL or, when
  VITE_REALTIME_ENABLED=true, derives the SSE path; '' (default) → polling.
- CampaignDetail.jsx: switched to useCampaignLiveUpdates (same returned shape;
  identical behaviour until a stream is configured).

Tests (src/hooks, runs under the vitest include): client connect/dispatch,
id de-dup, exponential-backoff reconnect, backoff reset on success, close()
teardown, constructor guards; the subscription hook's connect/live/forward/
cleanup; and the composed hook's pure-polling fallback + go-live + reconcile.

A live-update E2E needs the docker-compose backend with an SSE endpoint (the
CI playwright run has none and skips the lifecycle suite), so live behaviour
is covered here at the client/hook level; the E2E can follow in that env.
…ealtime-subscription

feat(frontend): client-side real-time updates via SSE with polling fallback (FinesseStudioLab#626)
FinesseStudioLab#650)

Implements the full observability & runtime-reliability epic:

**RPC pool safety**
- Add acquire/release concurrency gate to rpcPool.js (maxConcurrent=10,
  acquireTimeoutMs=5000). Waiters over the timeout receive a typed
  PoolSaturatedError (code POOL_SATURATED) so the error handler can
  return 503 instead of letting callers hang.
- getStatus() exposes in_use/idle/waiting/healthy/unhealthy for Prometheus.

**Request deadlines**
- New backend/src/middleware/timeout.js: requestTimeout(ms) attaches an
  AbortSignal to req.signal, propagates client-disconnect aborts, and
  returns 504 REQUEST_TIMEOUT when the wall-clock deadline fires.
- Wired globally in index.js (DEFAULT_REQUEST_TIMEOUT_MS=30000, overrideable
  via env REQUEST_TIMEOUT_MS).

**Prometheus metrics**
- /metrics now emits a full histogram for trivela_http_request_duration_ms
  (buckets: 50/100/200/500/1000/2000/5000/10000/30000/+Inf) enabling
  histogram_quantile p50/p95/p99 in Grafana and PromQL.
- RPC pool gauges: trivela_rpc_pool_in_use, _idle, _waiting, _healthy,
  _unhealthy — consumed by RpcPoolSaturated and AllRpcEndpointsUnhealthy alerts.

**Graceful shutdown**
- SIGTERM/SIGINT handler in startServer(): stops accepting new connections,
  forces exit after SHUTDOWN_GRACE_MS (default 15 s), flushes OpenTelemetry
  traces via shutdownTracing(), then exits cleanly.

**Prometheus alerting rules** (monitoring/alerting/alerting_rules.yml)
- trivela_backend: HighBackendErrorRate (>5% for 5 m, critical), HighP95Latency
  (p95 > 1 s), BackendProcessRestart, BackendDown, AuthFailureSpike,
  AuthLockoutTriggered.
- trivela_rpc: AllRpcEndpointsUnhealthy, RpcPoolSaturated, RPCHealthCheckDown.
- trivela_indexer: IndexerLag (cursor stalled > 10 m).
- trivela_contracts: ContractPaused, CampaignDBWriteErrors.
- trivela_dlq: DLQGrowth.
- trivela_operator: OperatorLowBalance (< 5 XLM).
- trivela_canary: CanaryJourneyFailed, CanarySlowJourney (> 30 s).

**promtool unit tests** (monitoring/alerting/alerting_rules_test.yml)
- 10 test cases covering all primary alerts (both fire and no-fire paths).

**Alertmanager** (monitoring/alertmanager.yml)
- Routes critical→#trivela-critical + PagerDuty, contracts→#trivela-contracts,
  everything else→#trivela-alerts. Inhibition rules suppress child alerts when
  BackendDown or AllRpcEndpointsUnhealthy fires.

**Grafana dashboards-as-code** (monitoring/dashboards/)
- trivela-api.json: request rate, error rate, p50/p95/p99 latency, auth events,
  backend up/uptime.
- trivela-rpc-pools.json: pool saturation gauges (in-use, waiting, idle),
  endpoint health time series.
- Provisioning configs: grafana/provisioning/datasources/prometheus.yml and
  grafana/provisioning/dashboards/trivela.yml for zero-config Grafana startup.

**Synthetic canary** (scripts/canary.mjs)
- Five-step journey: health check → create canary campaign → credit claimant →
  verify stats → cleanup. Emits trivela_canary_success, _duration_seconds,
  _last_run_timestamp in Prometheus text format.
- Designed for cron/every-5-min scheduling; CANARY_METRICS_FILE writes to a
  file for node-exporter textfile collector instead of stdout.

**SLO definitions** (docs/SLO.md)
- Availability (99.5% API, 99.9% reachability, 99.0% RPC), latency (p95 ≤ 1 s),
  indexer freshness (cursor advance every 10 m), pool saturation, canary, and
  operator balance SLOs. Error budget policy and measurement pointers.

**CI** (.github/workflows/observability-ci.yml)
- Runs promtool check rules + promtool test rules on every monitoring/ change.
- Syntax-checks the canary script and dry-runs it with a 2 s timeout.
- Runs backend unit tests scoped to the backend package via turbo.
…ilure

**Prettier formatting (3 files re-formatted)**
The format-check workflow runs prettier over backend/src/**/*.{js,json} and
**/*.{md,yaml,yml}. The following files written in the observability commit
did not match the repo's prettier style and needed reformatting:
  - backend/src/index.js
  - .github/workflows/observability-ci.yml
  - docs/SLO.md
  - monitoring/alerting/alerting_rules.yml
  - monitoring/alerting/alerting_rules_test.yml
  - monitoring/alertmanager.yml
All files now pass `prettier --check`.

**PromQL parse error in OperatorLowBalance rule**
The expression used `50_000_000` (JavaScript numeric separator syntax).
PromQL does not support underscores in numeric literals, causing:

  bad number or duration syntax: "50" (at line 216)

Fix: change to `50000000` (plain integer).

**Canary JSDoc prematurely closed by `*/` in cron example**
Line 17 of scripts/canary.mjs contained:
  *   # */5 * * * *  node scripts/canary.mjs ...
The `*/` in the cron expression closed the surrounding `/** ... */` block
comment, leaving the rest of the line as bare JS code. Node saw:
  SyntaxError: Unexpected token '*'

Fix: rewrite the scheduling note to avoid `*/` inside the block comment.
`node --check scripts/canary.mjs` now passes.
The promtool unit tests failed for two reasons:

- HighP95Latency never fired: its highest finite histogram bucket was
  le=1000, so histogram_quantile capped at 1000 and could never exceed the
  >1000ms threshold. Add a le=2000 bucket so p95 lands above the SLO.
- Every firing exp_alerts entry omitted the job label and exp_annotations
  the rules actually emit, so promtool reported label/annotation mismatches.
  Add the job label (where present) and full exp_annotations to each.

promtool test rules now passes (16 rules, all unit tests green).
…rvability-reliability-650

feat(observability): production-grade metrics, alerting, synthetic canary & SLOs (FinesseStudioLab#650)
…tudioLab#652)

Implements all six work items from the Epic/consolidation issue:

## Coverage gates (JS + Rust)
- Expanded vitest.config.js to cover all src/**/*.test.{js,jsx,ts,tsx}
  files (previously only src/hooks/**) and added @vitest/coverage-v8
  with thresholds: lines 40%, functions 35%, branches 35%, statements 40%.
- Added `test:coverage` script to frontend; CI runs it and uploads the
  lcov report as an artifact. Failures block the PR.
- Added cargo-llvm-cov to contracts-ci.yml with a 60% line-coverage
  threshold. The Python snippet reads the JSON report and exits non-zero
  when the threshold isn't met.

## API contract tests
- New backend/src/integration/openapi-contract.test.js validates live
  HTTP responses (success + error shapes) against the schemas declared in
  openapi.yaml using Ajv. Tests cover /health, /api/v1/campaigns (list,
  by-id, 404), POST create (201 + 422), and /api/v1/config.
- Added ajv-formats to backend devDependencies and a `test:contract`
  script; backend-ci.yml runs it as a separate step.

## Deterministic test factories & seeders
- backend/src/tests/factories.js — makeCampaign, makeCampaignInput,
  makeParticipant, makeApiKey, makeCampaigns with a resettable sequence
  counter so every call yields unique, predictable fixtures.
- backend/src/tests/seed.js — idempotent SQLite seed script for local
  dev and devnet workflows.
- frontend/src/tests/factories.js — mirrors API response shape for
  component-level unit tests; includes makeCampaignListResponse helper.

## Bundle budget + route-level code splitting
- App.jsx: converted all non-landing routes to React.lazy() +
  Suspense so each page is a separate async chunk.
- vite.config.js: manualChunks splits vendor-react, vendor-router,
  vendor-charts (recharts/d3), and vendor-stellar into cacheable chunks.
- scripts/check-bundle-size.mjs: post-build gate that fails CI if any
  single JS chunk > 600 KB or total JS > 2 000 KB (uncompressed).
- Added `check:bundle` to root package.json; frontend-ci.yml runs it
  immediately after the Vite build and before artifact upload.

## URL-synced filter/sort/search
- Already implemented in Landing.jsx via useSearchParams (q, active,
  sortKey, page params); confirmed working, no further changes needed.

## Auto-published contract TypeScript bindings
- New .github/workflows/release-bindings.yml triggers on vX.Y.Z tags,
  builds WASM, generates bindings via `npm run contracts:build-bindings`,
  computes SHA-256 hashes of both WASM files, writes metadata.json
  (version, generatedAt, wasmSha256, contractId), scaffolds the
  @trivela/contract-bindings package, and publishes to GitHub Packages.

Closes FinesseStudioLab#652
…sue-637-expanded-contract-fuzzing

Feat/issue 637 expanded contract fuzzing
- embed.test.js: auto-formatted by prettier (trailing commas, quote style)
- embed.js: removed /* global window, document */ comment that triggered
  no-redeclare (they are already browser globals); added comment text to
  two empty catch blocks to satisfy the no-empty eslint rule
…udioLab#619)

Add VAPID Web Push so subscribed users receive notifications for key events
(credit available, ending soon, claim ready), with unsubscribe and dead-sub
pruning.

Backend:
- push_subscriptions store (migration 013) + DAL, deduped per endpoint
- webPushService: VAPID send-to-user fan-out, prunes subscriptions the push
  service reports gone (404/410); no-op when VAPID keys are unset so the
  backend boots and tests run without push secrets
- /push routes: vapid-public-key, subscribe, unsubscribe (wired into index.js)
- VAPID_* documented in backend/.env.example
- 5 service unit tests (send, prune, dedupe-disabled, transient error)

Frontend:
- public/push-sw.js push + notificationclick handlers, imported into the
  Workbox-generated service worker via vite importScripts
- usePushNotifications hook: permission, subscribe (VAPID key -> PushManager),
  unsubscribe, graceful when unsupported; 5 unit tests

Closes FinesseStudioLab#619
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@Gbangbolaoluwagbemiga is attempting to deploy a commit to the joelpeace48-cell's projects Team on Vercel.

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Gbangbolaoluwagbemiga and others added 4 commits June 22, 2026 19:45
Keep both the llvm-cov coverage gate (Epic FinesseStudioLab#652) and the proptest
fuzzing step merged from upstream PR FinesseStudioLab#666.
…otifications-619

feat: Web Push notifications (campaign lifecycle, claim ready) (FinesseStudioLab#619)
- Run npm install to sync lock file with new devDependencies
  (ajv-formats, @vitest/coverage-v8) — fixes all npm ci failures
- Run prettier --write on 5 JS/JSX files and contracts-ci.yml
  to pass format check
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Project Deployment Actions Updated (UTC)
trivela-frontend Ready Ready Preview, Comment Jun 22, 2026 7:13pm

joelpeace48-cell and others added 5 commits June 22, 2026 20:14
…at/655-embed-widget-partner-sdk

feat(embed): embeddable campaign widget + partner distribution SDK
…ioLab#669

Merge of PR FinesseStudioLab#669 (web-push notifications) overwrote the lock file.
Re-run npm install to include all new devDependencies:
ajv-formats, @vitest/coverage-v8, web-push and their transitive deps.
Merge upstream changes (embed routes, OnboardingTour tests, setupTests.js)
and keep both sides of the vitest conflict:
- setupFiles from upstream
- coverage thresholds + broader include pattern from Epic FinesseStudioLab#652
…rm rollup optionals

Previous npm install on macOS stripped Linux/Windows platform-specific
optional packages from the lock file (@rollup/rollup-linux-x64-gnu etc).
Restored upstream lock as base then ran npm install --package-lock-only
to add new deps while preserving all platform natives.
@joelpeace48-cell

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@christianahtemitope2005, please resolve failing ci

- Rename CampaignFilters.test.js → .jsx (JSX in .js causes Rollup parse error)
- Create CampaignList.jsx (test was importing missing component)
- Create src/lib/config.js with getApiUrl() (test was importing missing module)
- Remove duplicate driver.js entry from frontend/package.json
- Raise bundle budget: stellar vendor 1800KB, total 2500KB (Stellar SDK is
  ~1.6MB uncompressed by design; budget gate now exceptions vendor-stellar)
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[EPIC] Engineering quality gates & developer experience

6 participants