security: standardize secret scanning on TruffleHog (#80)

Standardizing on TruffleHog.

Author: hyperpolymath

.claude/CLAUDE.md

@@ -1,3 +1,7 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
 ## Machine-Readable Artefacts
 
 The following files in `.machine_readable/` contain structured project metadata:
@@ -43,7 +47,7 @@ The following files in `.machine_readable/` contain structured project metadata:
 | Bun | Deno |
 | pnpm/yarn | Deno |
 | Go | Rust |
-| Python | Julia/Rust/ReScript |
+| Python | Julia/Rust/AffineScript |
 | Java/Kotlin | Rust/Tauri/Dioxus |
 | Swift | Tauri/Dioxus |
 | React Native | Tauri/Dioxus |
@@ -61,7 +65,7 @@ Both are FOSS with independent governance (no Big Tech).
 ### Enforcement Rules
 
 1. **No new TypeScript files** - Convert existing TS to AffineScript
-2. **No package.json for runtime deps** - Use deno.json imports
+2. **No package.json - use deno.json deps** - Use deno.json imports
 3. **No node_modules in production** - Deno caches deps automatically
 4. **No Go code** - Use Rust instead
 5. **No Python anywhere** - Use Julia for data/batch, Rust for systems, AffineScript for apps

.claude/PROJECT.md

@@ -1,3 +1,7 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
 # Universal Chat Extractor - Claude Code Instructions
 
 This repository contains the Universal Chat Extractor tool.

.github/CODEOWNERS

@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: MPL-2.0
+# CODEOWNERS - Define code review assignments for GitHub
+# See: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# Default: sole maintainer for all files
+* @hyperpolymath
+
+# Security-sensitive files require explicit ownership
+SECURITY.md @hyperpolymath
+.github/workflows/ @hyperpolymath
+.machine_readable/ @hyperpolymath
+contractiles/ @hyperpolymath
+
+# License files
+LICENSE @hyperpolymath
+LICENSES/ @hyperpolymath
+
+# Configuration
+.gitignore @hyperpolymath
+.github/ @hyperpolymath
+
+# Documentation
+README* @hyperpolymath
+CONTRIBUTING* @hyperpolymath
+CODE_OF_CONDUCT* @hyperpolymath
+GOVERNANCE* @hyperpolymath
+MAINTAINERS* @hyperpolymath
+CHANGELOG* @hyperpolymath
+ROADMAP* @hyperpolymath
+
+# Build and CI
+Justfile @hyperpolymath
+Makefile @hyperpolymath
+*.sh @hyperpolymath

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,3 +1,7 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
 ---
 name: Bug report
 about: Create a report to help us improve

.github/ISSUE_TEMPLATE/custom.md

@@ -1,3 +1,7 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
 ---
 name: Custom issue template
 about: Describe this issue template's purpose here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,3 +1,7 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
 ---
 name: Feature request
 about: Suggest an idea for this project

.github/copilot/coding-agent.yml

@@ -0,0 +1,6 @@
+mcp_servers:
+  boj-server:
+    command: npx
+    args: ["-y", "@hyperpolymath/boj-server@latest"]
+    env:
+      BOJ_URL: http://localhost:7700

.github/workflows/boj-build.yml

@@ -7,6 +7,7 @@ on:
 jobs:
   trigger-boj:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

.github/workflows/casket-pages.yml

@@ -1,39 +1,33 @@
 # SPDX-License-Identifier: MPL-2.0
 name: GitHub Pages
-
 on:
   push:
     branches: [main, master]
   workflow_dispatch:
-
 permissions:
   contents: read
   pages: write
   id-token: write
-
 concurrency:
   group: "pages"
   cancel-in-progress: false
-
 jobs:
   build:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
-
       - name: Checkout casket-ssg
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
         with:
           repository: hyperpolymath/casket-ssg
           path: .casket-ssg
-
       - name: Setup GHCup
         uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2
         with:
           ghc-version: '9.8.2'
           cabal-version: '3.10'
-
       - name: Cache Cabal
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
@@ -42,11 +36,9 @@ jobs:
             ~/.cabal/store
             .casket-ssg/dist-newstyle
           key: ${{ runner.os }}-casket-${{ hashFiles('.casket-ssg/casket-ssg.cabal') }}
-
       - name: Build casket-ssg
         working-directory: .casket-ssg
         run: cabal build
-
       - name: Prepare site source
         shell: bash
         run: |
@@ -89,26 +81,23 @@ jobs:
               echo "Project-specific site content can be added later under site/."
             } > .site-src/index.md
           fi
-
       - name: Build site
         run: |
           mkdir -p _site
           cd .casket-ssg && cabal run casket-ssg -- build ../.site-src ../_site
           touch ../_site/.nojekyll
-
       - name: Setup Pages
         uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
-
       - name: Upload artifact
         uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: '_site'
-
   deploy:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     needs: build
     steps:
       - name: Deploy to GitHub Pages

.github/workflows/codeql.yml

@@ -1,28 +1,25 @@
 # SPDX-License-Identifier: MPL-2.0
 name: CodeQL Security Analysis
-
 on:
   push:
     branches: [main, master]
   pull_request:
     branches: [main, master]
   schedule:
     - cron: '0 6 * * 1'
-
 # Estate guardrail: cancel superseded runs so re-pushes / rebased PR
 # updates do not pile up queued runs against the shared account-wide
 # Actions concurrency pool. Applied only to read-only check workflows
 # (no publish/mutation), so cancelling a superseded run is always safe.
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
-
 permissions:
   contents: read
-
 jobs:
   analyze:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     permissions:
       contents: read
       security-events: write
@@ -32,17 +29,14 @@ jobs:
         include:
           - language: javascript-typescript
             build-mode: none
-
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-
       - name: Initialize CodeQL
         uses: github/codeql-action/init@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
-
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3
         with: