Commit graph

35 commits

Author SHA1 Message Date
Dan 2dd5684a8b Remove unused Nix lambda patterns (deadnix cleanup) 2026-01-05 18:23:54 -08:00
Dan 7832e74110 Add classic Unix social tools and fortune on login
- bsd-finger, ytalk, fortune in systemPackages
- Fortune displays on interactive shell login via programs.bash.interactiveShellInit
- Avoids breaking nix copy/rsync/scp (loginShellInit was wrong approach)

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-05 15:32:29 -08:00
Dan 7519c88134 Sync beads 2026-01-05 09:15:25 -08:00
Dan 22f405f995 Add dev tools checks to smoke test (bun, zig) 2026-01-04 17:09:56 -08:00
Dan 39a161ce79 Sync beads 2026-01-04 16:45:26 -08:00
Dan 1158f3a37b Add bun as preferred JS package manager for faster installs 2026-01-04 13:49:56 -08:00
Dan 79d278ba61 Add terminfo for ghostty and kitty terminals
Source ghostty.terminfo from nixpkgs-unstable since it's not
available in nixos-24.05 stable.
2026-01-03 18:02:40 -08:00
Dan 74cf842afd Improve dev onboarding: devs group, npm setup, AGENTS.md
- Add users.groups.devs for shared resources
- dev-add: check devs group exists before creating user
- dev-add: use .profile for login shell PATH setup
- dev-add: configure npm prefix and .npm-global directory
- dev-add: create AGENTS.md with friendly capability guide
- Update onboarding message with npm install examples
- Add docs/server-AGENTS.md for reference

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 17:11:03 -08:00
Dan bd49ea001a Add documentation for adding dev tools
Covers four methods: system-wide, per-user nix profile,
per-project devShell, and external flakes.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 11:00:15 -08:00
Dan bc81b4ec15 Rename learner to dev across codebase
- scripts/learner-*.sh → scripts/dev-*.sh
- docs/learner-*.md → docs/dev-*.md
- tests/test-learner-env.sh → tests/test-dev-env.sh
- Update all internal references

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 10:42:34 -08:00
Dan 26be2b1548 Add per-user resource limits via activation script
Creates drop-in at /run/systemd/system/user-.slice.d/50-limits.conf
to enforce per-user limits (vs slice-wide):
- MemoryMax=50% (~1GB per user)
- TasksMax=200 per user
- CPUQuota=200% (max 2 cores sustained)

Prevents one user from starving others.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 10:02:37 -08:00
Dan f8e77c44b1 Fix code review items from security scripts
- egress-watchdog: Use process substitution to avoid subshell gotcha
- killswitch: Rename USER to TARGET_USER (avoid shadowing builtin)
- Add documentation comments for UID range and grep -P dependency

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 09:35:40 -08:00
Dan cd534a09f2 Declarative script deployment via writeShellApplication
- Package watchdog scripts (killswitch, cpu-watchdog, egress-watchdog)
  with proper runtimeInputs, referenced directly by systemd
- Package admin scripts (learner-add, learner-remove) in systemPackages
- Fix ShellCheck issues in scripts (SC2129, SC2155, SC2115, SC2162)
- Remove manual /usr/local/bin deployment, scripts deploy with nixos-rebuild
- Update AGENTS.md with new deployment workflow

Closes epic ops-jrz1-gwk

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 09:21:47 -08:00
Dan fb7d6d03a2 Add egress-watchdog for rate limit abuse detection
Monitors EGRESS-LIMIT kernel log entries, tracks strikes per user,
triggers killswitch after 3 consecutive violations within a minute.
Runs every minute via systemd timer.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-03 06:02:34 -08:00
Dan fed449a4f7 Sync beads 2026-01-02 21:17:22 -08:00
Dan 5c4b2aac84 Add egress logging and rate limiting
- Log all new outbound connections from users (EGRESS: prefix)
- Rate limit: 30/min sustained, burst 60
- Over-limit connections logged (EGRESS-LIMIT:) and rejected
- Closes ops-jrz1-p2d, ops-jrz1-cmv

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 21:12:18 -08:00
Dan 9083f06669 Sync beads 2026-01-02 21:03:39 -08:00
Dan 89f2987f1e Add cgroups limits and CPU watchdog
- User slice: MemoryMax 80%, TasksMax 500, CPUWeight 100
- CPU watchdog: detects sustained abuse (>180% for 5 min), kills user
- Fixed scripts for NixOS (shebang, PATH)
- Closes ops-jrz1-8m7, ops-jrz1-1bk

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 21:02:18 -08:00
Dan 9c3ebaf9f9 Sync beads 2026-01-02 20:26:58 -08:00
Dan 8e266b5e82 Add killswitch script for emergency user termination
- Kills all processes for a user
- Terminates login session
- Logs to syslog with reason
- Refuses to kill system users (uid < 1000)
- Closes ops-jrz1-396

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 20:23:31 -08:00
Dan 8c1d1ad49e Sync beads 2026-01-02 19:51:33 -08:00
Dan 3b91f37975 Add security posture analysis and fix home dir permissions
- docs/security-posture.md: Threat model, risk assessment, recommendations
- Make home directories private (chmod 700)
- Update learner-add.sh to create private homes
- Closes ops-jrz1-k2a

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 19:14:07 -08:00
Dan 1b1a91f9cb Switch to user-managed npm for AI coding tools
- Remove manual /usr/local/bin/claude install
- Remove claude symlink setup from learner-add.sh
- Update onboarding docs with npm install instructions
- Users choose their AI coder: claude, opencode, gemini, codex

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 19:03:35 -08:00
Dan 21d3038aca Add opencode and nodejs to system packages
- opencode (v1.0.224) via flake input from github:sst/opencode
- nodejs_22 for npm-based AI tools (gemini-cli, codex)
- Closes ops-jrz1-ecw

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 17:41:48 -08:00
Dan 0ce7bc73d9 Add tmux and beads to system packages
- tmux for session persistence
- beads (bd CLI) via flake input from github:steveyegge/beads
- Closes ops-jrz1-d38, ops-jrz1-jvt

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-02 17:26:11 -08:00
Dan 89cedfb4c6 Clean up: update tests for claude, remove dead maubot code 2026-01-02 16:46:11 -08:00
Dan 498f5279c4 Remove maubot plugin setup from user creation (Direct Slack path) 2026-01-02 15:14:13 -08:00
Dan a63565a775 Sync beads 2026-01-02 14:46:35 -08:00
Dan 33db9417ca Sync beads 2026-01-02 12:35:11 -08:00
Dan f6540cfbd5 Add direnv to system packages for per-project devshells 2026-01-02 12:32:32 -08:00
Dan 21c356979e Enable nix-ld for VS Code Remote-SSH 2026-01-02 10:22:07 -08:00
Dan 1ca39f2923 Add direct Slack path epic (ops-jrz1-2bu) 2025-12-29 18:57:08 -05:00
Dan 3d33a45cc9 Add learner dev environment, testing infrastructure, and skills
Learner account management:
- learner-add.sh: create accounts with SSH, plugin skeleton
- learner-remove.sh: remove accounts with optional archive
- plugin-skeleton template: starter maubot plugin

Testing:
- flake.nix: add checks output for pre-deploy validation
- smoke-test.sh: post-deploy service verification

Documentation:
- learner-onboarding.md: VS Code Remote-SSH setup guide
- learner-admin.md: account management procedures

Skills:
- code-review.md: multi-lens code review skill
- orch, worklog: symlinks to shared skills
2025-12-28 22:23:06 -05:00
Dan abe2adfead refactor: standardize agent instruction files
- AGENTS.md: Consolidated source of truth (159 lines)
- CLAUDE.md: Thin wrapper (@AGENTS.md import)
- GEMINI.md: New, with skills pointer for Gemini CLI

Previously CLAUDE.md had 477 lines duplicating/extending AGENTS.md content.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-23 01:12:27 -05:00
Dan 8826d62bcc Add maubot integration and infrastructure updates
- maubot.nix: Declarative bot framework with plugin deployment
- backup.nix: Local backup service for Matrix/bridge data
- sna-instagram-bot: Instagram content bridge plugin
- beads: Issue tracking workflow integrated
- spec 004: Browser-based dev environment design
- nixpkgs bump: Oct 22 → Dec 2
- Fix maubot health check (401 = healthy)
2025-12-08 15:55:12 -08:00