4bc77ded17
Adds a "Switch profile" button left of Backups on /settings?tool=claude-code. A *profile* is one Anthropic account - one quota - saved under a name, so the local `claude` CLI can be pointed at a different account without disturbing anything else. A switch swaps exactly two identity artifacts and nothing more: `claudeAiOauth` inside `<CLAUDE_HOME>/.credentials.json`, and `oauthAccount` + `userID` inside the `.claude.json` config file(s). Those files are key-merged in place, and only where they already exist, so `projects`/`numStartups`/everything else survives. Skills, subagents, commands, memory, plugins, marketplaces, MCP servers and settings are never read or written here - that is what makes a switch keep the whole workspace and change only the account. `mcpOAuth` stays put too: those are the machine's MCP server tokens, not account identity. Profiles are one JSON file each under `<CLAUDE_HOME>/agenthub-profiles/` (dir 0700, files 0600, atomic temp+rename) and hold live OAuth tokens, so no route ever returns token material - `GET /profiles` answers identity metadata only. The dashboard cannot log an account in; only `claude auth login` mints tokens. Adding a profile is therefore always "log in from a terminal, then snapshot what the CLI wrote". `activateProfile` re-snapshots the outgoing account first so tokens Claude Code refreshed since its last save are not lost, and refuses (`EUNSAVED`) to switch away from an account that was never saved - that would discard the only copy of its credentials. A switch applies to new sessions only, since a running session rewrites the config on exit. Routes: GET/POST/DELETE /api/cc-config/profiles, POST /profiles/activate. Verified: server 1420/1420 (14 new, incl. token-free responses and 0600/0700 permissions), client 459/459.