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policy: Bun is tier 1, Deno is being removed — correct local CLAUDE.md #84

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hyperpolymath merged 3 commits into from
Aug 27, 2026
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policy: Bun is tier 1, Deno is being removed — correct local CLAUDE.md #84

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e181af0
policy: Bun is tier 1, Deno is being removed — correct local CLAUDE.md
hyperpolymath Aug 26, 2026
ca77fe4
policy: address review — drop the .ts contradiction, ban Deno, pin bunx
hyperpolymath Aug 26, 2026
c215154
docs(policy): ban ReScript explicitly and pin production installs
hyperpolymath Aug 27, 2026
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21 changes: 11 additions & 10 deletions .claude/CLAUDE.md
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Expand Up @@ -19,14 +19,14 @@ The following files in `.machine_readable/` contain structured project metadata:

| Language/Tool | Use Case | Notes |
|---------------|----------|-------|
| **AffineScript** | Primary application code | Affine-typed, compiles to typed-wasm or Deno-ESM |
| **Deno** | Runtime & package management | Replaces Node/npm/bun |
| **AffineScript** | Primary application code | Affine-typed, compiles to typed-wasm or ESM |
| **Bun** | JS runtime & package management (tier 1) | Default for all new work. Runs compiled ESM/JS directly — no bundler step. Uses an npm-compatible `package.json` plus `bun.lock` — both are expected, not anti-patterns. |
| **Rust** | Performance-critical, systems, WASM | Preferred for CLI tools |
| **Tauri 2.0+** | Mobile apps (iOS/Android) | Rust backend + web UI |
| **Dioxus** | Mobile apps (native UI) | Pure Rust, React-like |
| **Gleam** | Backend services | Runs on BEAM or compiles to JS |
| **Bash/POSIX Shell** | Scripts, automation | Keep minimal |
| **JavaScript** | Only where AffineScript cannot | MCP protocol glue, Deno APIs |
| **JavaScript** | Only where AffineScript cannot | MCP protocol glue, Bun APIs |
| **Nickel** | Configuration language | For complex configs |
| **Guile Scheme** | State/meta files | .machine_readable/6a2/STATE.a2ml, .machine_readable/6a2/META.a2ml, .machine_readable/6a2/ECOSYSTEM.a2ml |
| **Julia** | Batch scripts, data processing | Per RSR |
Expand All @@ -38,10 +38,11 @@ The following files in `.machine_readable/` contain structured project metadata:
| Banned | Replacement |
|--------|-------------|
| TypeScript | AffineScript |
| Node.js | Deno |
| npm | Deno |
| Bun | Deno |
| pnpm/yarn | Deno |
| ReScript | AffineScript |
| Deno | Bun |
| Node.js | Bun |
| npm | Bun |
| pnpm/yarn | Bun |
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coderabbitai[bot] marked this conversation as resolved.

@codacy-production codacy-production Bot Aug 26, 2026

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🟡 MEDIUM RISK

Suggestion: Deno should be explicitly added to the BANNED table to prevent the AI from defaulting to it, ensuring consistency with the move to Bun.\n\nsuggestion\n| pnpm/yarn | Bun |\n| Deno | Bun |\n

| Go | Rust |
| Python | Julia/Rust/ReScript |
| Java/Kotlin | Rust/Tauri/Dioxus |
Expand All @@ -61,8 +62,8 @@ Both are FOSS with independent governance (no Big Tech).
### Enforcement Rules

1. **No new TypeScript files** - Convert existing TS to AffineScript

@codacy-production codacy-production Bot Aug 26, 2026

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🟡 MEDIUM RISK

This line does not reflect the ReScript correction described in the PR summary ('No new ReScript files'). It still refers to TypeScript.

2. **No package.json for runtime deps** - Use deno.json imports
3. **No node_modules in production** - Deno caches deps automatically
2. **Use `package.json` + `bun.lock` for JS runtime deps** - Bun is npm-compatible; a manifest is REQUIRED
3. **`bun install --production --frozen-lockfile` for production deps** - resolved from `package.json` and pinned via `bun.lock`; `--frozen-lockfile` makes a lockfile mismatch a build failure rather than a silent re-resolve
4. **No Go code** - Use Rust instead
5. **No Python anywhere** - Use Julia for data/batch, Rust for systems, AffineScript for apps
6. **No Kotlin/Swift for mobile** - Use Tauri 2.0+ or Dioxus
Expand All @@ -71,7 +72,7 @@ Both are FOSS with independent governance (no Big Tech).

- **Primary**: Guix (guix.scm)
- **Fallback**: Nix (flake.nix)
- **JS deps**: Deno (deno.json imports)
- **JS deps**: Bun (`package.json` + `bun.lock`). Declare tooling as a devDependency and run `bunx --no-install --bun <tool>` — a bare `bunx <tool>` can fetch an unpinned package and may start Node via its shebang.

### Security Requirements

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