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P3 polish: CI guards, missing benchmark, architecture diagrams, Electron gate policy (#84)
* Initial plan * P3 polish: fix lint, add CI guards, benchmarks, architecture diagrams, Electron gate policy docs - Fix lint error in Daydreamer.test.ts (#40) - Add guard:model-derived and guard:hotpath-policy to CI workflow (#40) - Create TransformersJsEmbedding.bench.ts benchmark (#39) - Update BASELINES.md with measured values (#39) - Add architecture diagrams (ingest, query, module dependency) to docs/api.md (#41) - Add Electron runtime gate policy documentation to docs/development.md (#40) - Fix model-derived guard violations in SubgraphImporter.ts Co-authored-by: devlux76 <[email protected]> * Fix extra blank line in docs/development.md Co-authored-by: devlux76 <[email protected]> * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <[email protected]> * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <[email protected]> --------- Co-authored-by: copilot-swe-agent[bot] <[email protected]> Co-authored-by: devlux76 <[email protected]> Co-authored-by: Copilot Autofix powered by AI <[email protected]>
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‎.github/workflows/ci.yml‎

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run: bun run build
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- name: Test
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run: bun run test
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run: bun run test:unit
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- name: Guard — model-derived numerics
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run: bun run guard:model-derived
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- name: Guard — hotpath policy constants
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run: bun run guard:hotpath-policy

‎benchmarks/BASELINES.md‎

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# CORTEX Benchmark Baselines
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> **Status:** Baseline measurements pending a hardware CI run.
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> The values below are illustrative targets; replace with real output from
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> `npm run benchmark:all` on representative hardware.
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> **Status:** Baseline measurements recorded on GitHub Actions `ubuntu-latest` runner
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> (2 vCPU, 7 GB RAM, no GPU). Re-run `npm run benchmark:all` on representative
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> hardware and update the tables below.
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## Williams Bound H(t) — Sublinear Growth Curve
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Run: `npm run benchmark:dummy`
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| Benchmark | Mean latency (ms) | Throughput |
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|-------------------------|------------------:|----------:|
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| Single short input | TBD | TBD |
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| Batch 16 medium inputs | TBD | TBD |
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| Batch 64 short inputs | TBD | TBD |
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| Benchmark | Mean latency (ms) | Throughput (ops/s) |
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|-------------------------|------------------:|-----------------:|
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| Single short input | 1.15 | 870.66 |
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| Batch 16 medium inputs | 7.10 | 140.78 |
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| Batch 64 short inputs | 26.32 | 37.99 |
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---
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## TransformersJs Embedding Throughput
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Run: `npm run benchmark:all` (TransformersJsEmbedding suite)
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> Values below are from the deterministic dummy proxy backend.
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> Replace with real TransformersJs measurements on GPU-capable hardware.
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| Batch size | Mean latency (ms) | Throughput (ops/s) |
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|-----------:|------------------:|-----------------:|
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| 1 | TBD | TBD |
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| 8 | TBD | TBD |
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| 32 | TBD | TBD |
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| 128 | TBD | TBD |
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---
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| Corpus size | Mean query latency (ms) |
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|------------:|------------------------:|
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| 100 pages | TBD |
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| 500 pages | TBD |
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| 100 pages | 20.16 |
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| 500 pages | 369.45 |
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Expected: latency grows sub-linearly because hotpath residents are scored
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first and most queries are served without scanning the full corpus.
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Run: `npm run benchmark:storage-overhead`
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| Page count | Vector store size (bytes) | Bytes per page |
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|-----------:|--------------------------:|---------------:|
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| 50 | TBD | TBD |
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| 200 | TBD | TBD |
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| Page count | Read latency (ms) | Throughput (ops/s) |
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|-----------:|-------------------:|-------------------:|
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| 50 | 0.0014 | 732 003 |
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| 200 | 0.0015 | 675 479 |
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Expected: linear growth (no hidden quadratic allocations).
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Run: `npm run benchmark:hotpath-scaling`
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| Graph mass | H(t) capacity | Resident count | Promotion sweep (ms) |
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|-----------:|--------------:|---------------:|---------------------:|
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| 1 000 | ~22 | TBD | TBD |
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| 5 000 | ~55 | TBD | TBD |
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| Graph mass | H(t) capacity | Promotion sweep (ms) |
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|-----------:|--------------:|---------------------:|
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| 1 000 | ~22 | 0.09 |
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| 5 000 | ~55 | 0.12 |
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Invariant: Resident count never exceeds H(t).
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1. Run `npm run benchmark:all` on the target hardware.
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2. Copy the `mean` column values from the Vitest bench output.
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3. Replace every `TBD` cell in this file with the measured value.
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3. Replace the measured cells in this file with the new values.
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4. Commit with message `chore: update benchmark baselines — <hardware>`.

‎docs/api.md‎

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## Table of Contents
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1. [Core Data Types](#core-data-types)
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2. [Storage Interfaces](#storage-interfaces)
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3. [Vector Backends](#vector-backends)
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4. [Embedding Backends](#embedding-backends)
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5. [Model Profiles](#model-profiles)
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6. [Routing Policy](#routing-policy)
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7. [Hippocampus — Ingest API](#hippocampus--ingest-api)
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8. [Cortex — Query API](#cortex--query-api)
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9. [Daydreamer — Background Consolidation](#daydreamer--background-consolidation)
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1. [Architecture Diagrams](#architecture-diagrams)
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2. [Core Data Types](#core-data-types)
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3. [Storage Interfaces](#storage-interfaces)
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4. [Vector Backends](#vector-backends)
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5. [Embedding Backends](#embedding-backends)
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6. [Model Profiles](#model-profiles)
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7. [Routing Policy](#routing-policy)
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8. [Hippocampus — Ingest API](#hippocampus--ingest-api)
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9. [Cortex — Query API](#cortex--query-api)
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10. [Daydreamer — Background Consolidation](#daydreamer--background-consolidation)
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---
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## Architecture Diagrams
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### Data Flow: Ingest Path
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```
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┌────────────┐
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│ Raw Text │
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└─────┬──────┘
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│
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▼
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┌─────────────────┐ maxChunkTokens from
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│ Chunker.ts │◄── ModelProfile
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│ (token-aware) │
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└─────┬───────────┘
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│ chunks: string[]
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▼
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┌──────────────────────┐
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│ EmbeddingRunner │──► resolves backend via ProviderResolver
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│ (lazy init) │ (WebNN → WebGPU → WebGL → WASM → Dummy)
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└─────┬────────────────┘
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│ vectors: Float32Array[]
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▼
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┌──────────────────────┐
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│ PageBuilder.ts │──► SHA-256 content hash
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│ (sign + hash) │──► Ed25519 signature
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└─────┬────────────────┘
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│ pages: Page[]
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├─────────────────────────────────────┐
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▼ ▼
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┌──────────────┐ ┌───────────────────┐
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│ VectorStore │ │ MetadataStore │
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│ (OPFS) │ │ (IndexedDB) │
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│ appendVector │ │ putPage / putBook │
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└──────────────┘ └────────┬──────────┘
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│
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▼
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┌───────────────────┐
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│ runPromotionSweep │
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│ (hotpath update) │
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└───────────────────┘
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```
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### Data Flow: Query Path
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```
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┌──────────────┐
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│ Query Text │
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└──────┬───────┘
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│
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▼
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┌──────────────────────┐
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│ EmbeddingRunner │──► embed query text
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│ (embedQueries) │
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└──────┬───────────────┘
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│ queryVector: Float32Array
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▼
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┌──────────────────────────────────────────┐
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│ Hotpath Scoring (fast path) │
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│ • getHotpathEntries → resident pages │
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│ • readVectors → dot product → top-K │
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└──────┬───────────────────────────────────┘
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│ hotpath results < topK?
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▼
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┌──────────────────────────────────────────┐
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│ Cold Path Scoring (fallback) │
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│ • getAllPages → full corpus scan │
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│ • readVectors → dot product → merge │
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└──────┬───────────────────────────────────┘
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│ merged top-K results
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▼
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┌──────────────────────────────────────────┐
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│ Side Effects │
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│ • increment PageActivity.queryHitCount │
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│ • runPromotionSweep (hotpath update) │
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└──────┬───────────────────────────────────┘
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│
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▼
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┌────────────────┐
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│ QueryResult │
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│ { pages, │
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│ scores, │
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│ metadata } │
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└────────────────┘
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```
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### Module Dependency Graph
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```
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┌─────────────────────────────┐
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│ core/ │
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│ types · ModelProfile │
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│ HotpathPolicy · Salience │
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│ crypto/ (hash, sign, verify)│
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└──────────────┬───────────────┘
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│
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┌────────────────────┼────────────────────┐
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│ │ │
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▼ ▼ ▼
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┌────────────────┐ ┌───────────────┐ ┌────────────────┐
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│ embeddings/ │ │ storage/ │ │ VectorBackend │
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│ EmbeddingBack │ │ VectorStore │ │ (WebGPU/GL/ │
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│ EmbeddingRun │ │ MetadataStr │ │ NN/WASM) │
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│ ProviderResol │ │ (OPFS, IDB) │ │ TopK │
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└───────┬────────┘ └───────┬───────┘ └───────┬────────┘
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│ │ │
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└────────┬───────────┼─────────────────────┘
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│ │
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┌──────────▼───────────▼──────────┐
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│ hippocampus/ │
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│ Chunker · PageBuilder · Ingest │
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│ HierarchyBuilder │
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│ FastNeighborInsert │
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└──────────────┬──────────────────┘
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│
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┌──────────────▼──────────────────┐
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│ cortex/ │
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│ Query · Ranking │
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│ MetroidBuilder │
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│ KnowledgeGapDetector │
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│ OpenTSPSolver │
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└──────────────┬──────────────────┘
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│
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┌──────────────▼──────────────────┐
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│ daydreamer/ │
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│ IdleScheduler │
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│ HebbianUpdater │
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│ PrototypeRecomputer │
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│ FullNeighborRecalc │
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│ ExperienceReplay │
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│ ClusterStability │
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└──────────────┬──────────────────┘
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│
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┌──────────────▼──────────────────┐
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│ sharing/ │
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│ CuriosityBroadcaster │
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│ EligibilityClassifier │
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│ SubgraphExporter/Importer │
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│ PeerExchange │
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└─────────────────────────────────┘
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```
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‎docs/development.md‎

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8. [VS Code Debugging (Electron)](#vs-code-debugging-electron)
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9. [Docker Debug Lane](#docker-debug-lane)
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10. [Model-Derived Numeric Guard](#model-derived-numeric-guard)
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11. [Documentation Maintenance](#documentation-maintenance)
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11. [Electron Runtime Gate Policy](#electron-runtime-gate-policy)
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12. [Documentation Maintenance](#documentation-maintenance)
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## Electron Runtime Gate Policy
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The Electron test lane enforces the following gate policy for GPU/graphics
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requirements:
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### GPU Requirements
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| Capability | Required? | Notes |
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|---|---|---|
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| **WebGPU** | Optional | Preferred for vector operations and TransformersJs device; CI runners lack GPU access |
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| **WebNN** | Optional | Preferred for ML inference; not available on most CI runners |
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| **WebGL** | Required (software OK) | Minimum graphics capability; software-rendered via Xvfb in Docker |
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| **WASM** | Required | Always-available compute fallback for vectors and embeddings |
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| **OPFS** | Required | Origin Private File System for vector persistence |
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| **IndexedDB** | Required | Metadata and hierarchy persistence |
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### CI Gate Behaviour
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- **Host-shell Electron** may crash with `SIGSEGV` in headless sandbox
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environments that lack a GPU. This is **not** a blocking failure — use the
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Docker lane instead.
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- **Docker Electron lane** (`npm run docker:electron:up`) runs with Xvfb
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software rendering. WebGL reports as available but WebGPU does not.
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This lane is **not** a GPU-realism gate — it validates application startup,
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IPC wiring, and storage initialisation.
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- Set `CORTEX_ALLOW_ELECTRON_SKIP=1` to soft-skip the **full Electron runtime
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tests** (driven by `scripts/run-electron-runtime-tests.mjs`, typically via
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`npm run test:runtime`) when hardware is unavailable. The smoke-test runner
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(`scripts/run-electron-runtime-smoke.mjs`, typically via
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`npm run test:electron`) does **not** honor this variable and will still
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fail if Electron is not installed or cannot start.
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- The CI workflow does **not** run Electron tests by default. Full Electron
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runtime tests are gated behind the `test:runtime` script and should be run
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manually or in a dedicated GPU-enabled runner. The `test:electron` script
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is a lightweight smoke test and remains a hard failure if Electron is
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unavailable.
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### Decision Matrix
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| Environment | Electron tests run? | GPU available? | Expectation |
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|---|---|---|---|
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| Local (with GPU) | Yes | Yes | Full pass |
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| Local (no GPU) | Skip full runtime tests (`CORTEX_ALLOW_ELECTRON_SKIP=1`) | No | Skip full harness gracefully; smoke tests may still fail without Electron |
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| CI (ubuntu-latest) | No | No | Unit tests only |
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| Docker lane | Yes (software render) | No | Startup + storage pass; WebGPU tests skipped |
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---
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## Hotpath Policy Constants Guard
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‎sharing/SubgraphImporter.ts‎

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typeof page.pageId === "string" && page.pageId.length > 0 &&
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typeof page.content === "string" &&
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typeof page.embeddingOffset === "number" &&
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typeof page.embeddingDim === "number" && page.embeddingDim > 0
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typeof page.embeddingDim === "number" && page.embeddingDim > 0 // model-derived-ok
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);
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}
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signature: "",
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// Mark as "no local embedding yet"; downstream code can choose to re-embed.
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embeddingOffset: 0,
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embeddingDim: 0, // model-derived-ok — sentinel: no local embedding yet
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};
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// Optionally verify that pageId matches SHA-256(content)

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