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Giancarlo Erra 50d8853ea6 feat(visualize): add interactive HTML graph explorer; British-English doc sweep

Interactive Viewer (primary)
────────────────────────────
codebase_graph_visualize now accepts mode="mermaid" (default, existing
behaviour — text Mermaid diagram) or mode="interactive". Interactive
mode generates a self-contained HTML page and opens it in the user's
default browser via the `open` npm package (cross-platform: macOS,
Linux, Windows). Cytoscape.js 3.30.2 + Dagre 0.8.5 + cytoscape-dagre
2.5.0 are vendored under src/assets/ — no CDN, works offline.

Features:
- File view — every source file as a node, imports as edges, language
  colour-coded, circular deps highlighted in red.
- Symbol view toggle — functions/classes/methods as nodes with call
  edges (confidence-styled). Embedded when the symbol graph fits under
  20k symbols / 60k call edges; above that threshold the file view
  remains usable and a banner directs users to codebase_impact /
  codebase_symbols for symbol-level queries.
- Sidebar on node click — imports, dependents, per-file symbol list
  (first 30 + link to codebase_symbols), action buttons for blast
  radius and call flow.
- Right-click any node → blast radius overlay (reverse-transitive
  closure). Call-flow button on the sidebar for forward traversal.
- Live search across files and symbols, six Cytoscape layouts
  (Dagre / force / concentric / breadth-first / grid / circle),
  PNG export (filename sanitised for cross-platform safety).
- `open: false` parameter skips auto-launch and just returns the file
  path — useful in headless environments.

Viewer is XSS-safe by construction: all DOM built with createElement
+ textContent (no innerHTML anywhere); embedded JSON escapes every
"<" as \u003c so a stray </script> in a file path or symbol name
cannot break out of the script-type="application/json" container.

New files:
- src/assets/{cytoscape.min.js,dagre.min.js,cytoscape-dagre.js,
  viewer-template.html,viewer-styles.css,viewer-app.js}
- scripts/copy-assets.mjs — postbuild copier (tsc does not handle
  non-TS files); wired into npm run build and prepublishOnly
- src/services/graph-visualize-html.ts — HTML builder with scale-cap
  logic (MAX_SYMBOLS / MAX_EDGES / MAX_SYMS_PER_FILE) and parallel
  per-file Qdrant payload loading
- src/services/graph-visualize-browser.ts — temp-file write +
  cross-platform open wrapper
- tests/unit/graph-visualize-html.test.ts — 5 tests (self-contained,
  escape-safety, symbolMode omitted/capped, cycle marking)
- tests/unit/graph-visualize-browser.test.ts — 4 tests (deterministic
  path, overwrite, success + failure paths)

New runtime dependency: open@^10.2.0 (Sindre Sorhus, zero transitive
deps, cross-platform).

British-English doc sweep (secondary)
─────────────────────────────────────
Switched all project docs to British English spelling:
  behavior → behaviour                organized → organised
  color-coded → colour-coded          initialization → initialisation
  visualization → visualisation       customization → customisation
  recognized → recognised             optimized → optimised
  acknowledgment → acknowledgement    finalize → finalise
  analyzing → analysing               apologizing → apologising
  sexualized → sexualised

Affected files: README, DEVELOPER, AGENTS, CLAUDE, GEMINI, SECURITY,
CONTRIBUTING, CODE_OF_CONDUCT, agents/codebase-explorer.md,
skills/codebase-exploration/{SKILL.md,references/tool-reference.md},
skills/codebase-management/references/tool-reference.md.

Also surfaced Impact Analysis in the top-level README paragraph.

Docs
────
- README: "Interactive graph explorer" subsection under Impact Analysis,
  tool-table row updated.
- DEVELOPER.md: architecture section under codebase_graph_visualize
  covering asset layout, data flow, cap logic, XSS-safety invariants.
- AGENTS.md / CLAUDE.md / GEMINI.md: new "User asks for a visual /
  interactive / shareable graph" row in the tool-routing table.
- skills/codebase-exploration/: SKILL.md bullet + tool-reference.md
  full mode description.
- CHANGELOG.md: "Interactive Graph Explorer" section under Unreleased.

Quality gates (all green)
─────────────────────────
- Biome lint: clean
- TypeScript (tsc): clean
- Unit tests: 685/685
- Integration tests: 154/154 (real Qdrant + Ollama)
- CodeRabbit: No findings (1 fix applied — filename sanitisation)
- Snyk code test: 0 issues

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-23 16:04:41 +01:00

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Contributing to SocratiCode

Thank you for your interest in contributing to SocratiCode! This document explains the process for contributing and what to expect.

Contributor License Agreement

By submitting a pull request, you agree to the Contributor License Agreement (CLA). This is necessary because SocratiCode is dual-licensed (AGPL-3.0 + commercial). The CLA allows us to offer commercial licenses that include community contributions.

Getting Started

Prerequisites

Node.js 18+
Docker (for integration and E2E tests)
Git

Setup

git clone https://github.com/giancarloerra/socraticode.git
cd socraticode
npm install
npm run build

Running Tests

# Unit tests (no Docker needed)
npm run test:unit

# Integration tests (requires Docker)
npm run test:integration

# End-to-end tests (requires Docker)
npm run test:e2e

# All tests
npm test

# Type checking
npx tsc --noEmit

See the Developer Guide for architecture details, data flows, and how the test infrastructure works.

How to Contribute

Reporting Bugs

Use the Bug Report issue template. Include:

Steps to reproduce
Expected vs actual behaviour
Your environment (OS, Node.js version, embedding provider, MCP host)
Log output if available (set SOCRATICODE_LOG_LEVEL=debug)

Suggesting Features

Use the Feature Request issue template. Explain the problem you're trying to solve and your proposed approach.

Submitting Pull Requests

Fork the repository and create a branch from main
Make your changes — follow the existing code style and conventions
Add tests — new functionality needs test coverage; bug fixes should include a regression test
Update documentation — if your changes affect the public API, update README.md and/or DEVELOPER.md
Verify — run npm run lint && npx tsc --noEmit && npm run test:unit
Open a PR — fill out the pull request template

Commit Message Convention

We use Conventional Commits to auto-generate the changelog:

feat: add fuzzy search support
fix: resolve race condition in watcher
docs: update quickstart guide
refactor: simplify provider factory
test: add watcher edge-case tests
chore: update dependencies

Prefix with the type, then a short imperative description. Use feat: for new features, fix: for bug fixes, and chore: for maintenance that doesn't need a changelog entry.

What Makes a Good PR

Focused — one logical change per PR
Tested — unit tests at minimum; integration tests for infrastructure changes
Documented — JSDoc comments on public functions, README/DEVELOPER.md updates where needed
Clean history — squash fixup commits before requesting review
Conventional commits — use the format above so the changelog generates correctly

Code Style

TypeScript with strict mode enabled
ESM (ES modules) — use .js extensions in imports
Functional style — prefer pure functions, avoid classes where unnecessary
Structured logging — use logger.info/warn/error/debug with context objects, not console.log
Error messages — user-friendly, actionable, include troubleshooting hints
JSDoc on all exported functions

SPDX license header on all source files:

// SPDX-License-Identifier: AGPL-3.0-only
// Copyright (C) 2026 Giancarlo Erra - Altaire Limited

Project Structure

src/services/   — Core business logic (docker, indexer, embeddings, etc.)
src/tools/      — MCP tool handlers (one file per tool group)
src/config.ts   — Project ID and collection naming
src/constants.ts — All configurable constants
tests/unit/     — Unit tests (no Docker)
tests/integration/ — Integration tests (Docker required)
tests/e2e/      — End-to-end tests (Docker required)

See DEVELOPER.md for the full architecture overview.

Review Process

All PRs are reviewed by a maintainer
CodeRabbit automatically reviews every PR — address or resolve all comments before requesting human review
CI must pass (tests + type checking)
One approval required to merge
Maintainers may request changes or suggest alternatives

Questions?

Open a Discussion for questions
Check the README and Developer Guide for existing documentation

Thank you for helping make SocratiCode better!

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