feat(lsp-mcp): permanent pinned toolchain presets (rust-analyzer standing)

[hyperpolymath]

Stops the recurring re-assembly of the Rust LSP every session.

What

• lsp-mcp lsp_start now accepts {"preset":"rust"} → resolves to the canonical pinned rust-analyzer (/dev/tools/.../cargo-home/bin/rust-analyzer). Backward compatible: explicit command still wins.
• Root cause of the recurring pain: that path was a rustup proxy with no component installed. Installed it (rust-analyzer 1.95.0).
• cartridges/lsp-mcp/presets.json — pinned presets (only verified-installed servers; no unresolved entries).
• .machine_readable/dev-toolchain.a2ml — single source of truth for the whole standing loop (rust lsp/build/lint/test, zig, julia, idris) with verified paths. LSP wired now; bsp-mcp/dap-mcp adopt the same pattern (declared, honest).
• cartridge.json schema updated (preset input; one of command|preset).

Verified

deno check clean; functional: preset rust→200 starts rust-analyzer, bad preset→helpful 400, no-args→400, explicit command→200 (compat).

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 28 issues detected

Severity	Count
🔴 Critical	17
🟠 High	4
🟡 Medium	7

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "reason": "Stale AI session file -- delete",
    "type": "stale",
    "file": "GEMINI.md",
    "action": "delete",
    "rule_module": "root_hygiene",
    "severity": "medium"
  },
  {
    "reason": "Issue in quality.yml",
    "type": "missing_workflow",
    "file": "quality.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Issue in security-policy.yml",
    "type": "missing_workflow",
    "file": "security-policy.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "medium"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/governance-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "governance.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/sanctify-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/academic-workflow-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/fireflag-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/ephapax-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/bofig-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/boj-server/boj-server/cartridges/hesiod-mcp/adapter/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  }
]

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