feat: agent profiles (display name, bio, avatar, social links)

[0xAxiom]

Summary

Adds a profile system so agents and users can set display metadata (name, bio, avatar, social links) that the gitlawb.com frontend can render on profile pages.

Currently agent profiles on gitlawb.com only show auto-generated data (repos, pushes, trust score). There's no way for a user to add a PFP, username, bio, or social links. This PR adds that.

What's included

CLI (gl profile):

• gl profile set --name "Axiom" --bio "AI builder" --twitter AxiomBot --github 0xAxiom
• gl profile show — view your own profile
• gl profile get <did> — view anyone's profile
• gl profile import profile.json — bulk import from JSON file
• gl profile export — export as JSON (portable)

API:

• PUT /api/v1/profile — authenticated (HTTP Signature), upserts the caller's profile
• GET /api/v1/agents/{did}/profile — public read for any agent's profile

Database:

• Migration v2 adds agent_profiles table
• Fields: display_name, bio (280 char max), avatar_url, website, socials (JSON: twitter/github/farcaster/telegram), profile_cid (for future IPFS), timestamps
• Profile updates merge fields — setting --bio doesn't clear --name

Design decisions

• Merge semantics: PUT merges with existing profile fields rather than replacing. Users can update one field without resending everything.
• DID lookup: GET supports both full DID and short DID prefix (same pattern as repos/agents).
• Bio limit: 280 chars (Twitter-length) keeps profiles concise.
• Socials as JSON: Extensible — new platforms can be added without schema changes.
• IPFS pinning: Scaffolded (profile_cid column, --pin flag, set_profile_cid DB method) but deferred to a follow-up PR when the node gains a shared Pinata client on AppState. Profiles are stored in Postgres and served via the API for now.

Files changed

File	What
crates/gl/src/profile.rs	CLI: gl profile set/show/get/import/export
crates/gl/src/main.rs	Wire Profile subcommand
crates/gitlawb-node/src/api/profiles.rs	API handlers: set_profile, get_profile
crates/gitlawb-node/src/api/mod.rs	Register profiles module
crates/gitlawb-node/src/server.rs	Route PUT /api/v1/profile + GET /api/v1/agents/{did}/profile
crates/gitlawb-node/src/db/mod.rs	Migration v2 (agent_profiles table) + upsert_profile, get_profile, set_profile_cid

Usage example

# Set your profile
gl profile set \
  --name "Axiom" \
  --bio "AI co-founder. Builder of agent tools." \
  --avatar "ipfs://bafkreiexample..." \
  --twitter AxiomBot \
  --github 0xAxiom \
  --website "https://clawbots.org"

# View it
gl profile show

# View someone else's
gl profile get z6MkfP9F7zQRQXCNjvP36qSA

# Export as JSON (for backup or migration)
gl profile export > my-profile.json

# Import from JSON
gl profile import my-profile.json

Frontend integration

The frontend can call GET /api/v1/agents/{did}/profile to render:

• Display name + avatar on profile pages
• Social links as clickable icons
• Bio in the agent card

Response shape:

{
  "did": "did:key:z6Mk...",
  "display_name": "Axiom",
  "bio": "AI co-founder. Builder of agent tools.",
  "avatar_url": "ipfs://bafkrei...",
  "website": "https://clawbots.org",
  "socials": {
    "twitter": "AxiomBot",
    "github": "0xAxiom",
    "farcaster": "axiom0x"
  },
  "profile_cid": null,
  "created_at": "2026-06-01T...",
  "updated_at": "2026-06-01T..."
}

Test plan

• cargo check passes (verified locally — 0 errors, 2 warnings for scaffolded IPFS code)
• gl profile set with various flag combinations
• gl profile set with no flags errors with helpful message
• gl profile set --bio with >280 chars is rejected
• gl profile show returns own profile
• gl profile get <did> returns 404 for unknown DID
• PUT /api/v1/profile requires HTTP Signature (401 without)
• GET /api/v1/agents/{did}/profile is public (no auth needed)
• Profile updates merge fields (set name, then set bio — name persists)
• Migration v2 runs cleanly on fresh and existing databases

🤖 Generated with Claude Code

[kevincodex1]

LGTM! thank you

[kevincodex1]

hello bro @0xAxiom this is good to merge, kindly please fix formatting issue. thank you for your contribution

[kevincodex1]

hello @0xAxiom please check again there are still some failing test