chore(license): migrate to AGPL-3.0-or-later

[hyperpolymath]

Summary

Migrates this repo's license declaration from MPL-2.0 to AGPL-3.0-or-later.

Rationale: Joshua co-dev.

Changes

• LICENSE file replaced with canonical AGPL-3.0-or-later text (including SPDX header).
• Package metadata updated where present (Cargo.toml, package.json, deno.json, mix.exs, pyproject.toml).

Part of estate-wide metadata cleanup 2026-05-26.

[github-actions]

🔍 Hypatia Security Scan

Findings: 40 issues detected

Severity	Count
🔴 Critical	3
🟠 High	26
🟡 Medium	11

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "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": "codeql.yml lists `language: javascript-typescript` but the repo has no source files in any CodeQL-scannable language. The analyze job will exit 'no source files' on every run. Switch the matrix to `actions` (which scans workflow files — every repo has those).",
    "type": "codeql_language_matrix_mismatch",
    "file": "codeql.yml",
    "action": "switch_codeql_matrix_to_actions",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "String.to_existing_atom with user input exhausts atom table -- use to_existing_atom (1 occurrences, CWE-400)",
    "type": "elixir_atom_from_user",
    "file": "/home/runner/work/feedback-o-tron/feedback-o-tron/elixir-mcp/lib/feedback_a_tron/credentials/file_store.ex",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  },
  {
    "line": 17,
    "reason": "Secret found: Generic secret",
    "type": "secret_detected",
    "file": "/home/runner/work/feedback-o-tron/feedback-o-tron/elixir-mcp/lib/feedback_a_tron/channels/reddit.ex",
    "action": "revoke_rotate_and_purge",
    "rule_module": "security_errors",
    "severity": "critical"
  },
  {
    "line": 17,
    "reason": "Secret found: Password",
    "type": "secret_detected",
    "file": "/home/runner/work/feedback-o-tron/feedback-o-tron/elixir-mcp/lib/feedback_a_tron/channels/reddit.ex",
    "action": "revoke_rotate_and_purge",
    "rule_module": "security_errors",
    "severity": "critical"
  },
  {
    "line": 38,
    "reason": "Secret found: Generic API key",
    "type": "secret_detected",
    "file": "/home/runner/work/feedback-o-tron/feedback-o-tron/elixir-mcp/lib/feedback_a_tron/credentials/file_store.ex",
    "action": "revoke_rotate_and_purge",
    "rule_module": "security_errors",
    "severity": "critical"
  },
  {
    "reason": "Nominal-only SAST in feedback-o-tron: codeql.yml language matrix contains no language present in the repo and lacks `actions`, so CodeQL records zero results on every commit. Remediation: set the CodeQL matrix to `language: actions`.",
    "type": "StaticAnalysis",
    "file": "/home/runner/work/feedback-o-tron/feedback-o-tron",
    "action": "auto_fix",
    "rule_module": "scorecard",
    "severity": "medium",
    "remediation": "Add CodeQL or equivalent SAST workflow.",
    "scorecard_check": "SAST"
  },
  {
    "reason": "Repository has 8 non-main remote branch(es). Policy: single main branch only.",
    "type": "GS007",
    "file": ".",
    "action": "delete_remote_branches",
    "rule_module": "git_state",
    "severity": "medium"
  },
  {
    "reason": "Code scanning (Scorecard): TokenPermissionsID -- Token-Permissions -- 0 day(s) old",
    "type": "CSA001",
    "file": ".github/workflows/hypatia-scan.yml",
    "action": "update",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  },
  {
    "reason": "Code scanning (Hypatia): hypatia/code_safety/elixir_atom_from_user -- Hypatia code_safety: elixir_atom_from_user -- 4 day(s) old",
    "type": "CSA001",
    "file": "elixir-mcp/lib/feedback_a_tron/credentials/file_store.ex",
    "action": "update",
    "rule_module": "code_scanning_alerts",
    "severity": "high"
  }
]

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