Vouch request: OpenViking memory backend

[pppobear]

Hi maintainers,

I'd like to contribute an OpenViking memory backend for oh-my-pi.

Work already prepared in my fork:

• branch: https://github.com/pppobear/oh-my-pi/tree/feat/openviking-memory-backend
• commit: pppobear@6dd0e90

Summary:

• adds memory.backend = openviking
• adds OpenViking config loading from OMP settings, env, and OpenViking config files
• adds viking:// internal URL support
• wires recall/retain/reflect/session capture/subagent memory propagation
• adds focused tests and changelog entry

Verification run locally:

• bun --cwd=packages/coding-agent test test/openviking-backend.test.ts test/internal-urls/viking-protocol.test.ts test/tools/split-internal-url-sel.test.ts test/modes/components/settings-layout.test.ts test/memory-backend-resolve.test.ts test/sdk-mcp-discovery.test.ts test/tool-discovery/initial-tools.test.ts
• bun --cwd=packages/tui test test/settings-list.test.ts
• bun --cwd=packages/coding-agent run check

Could a maintainer please vouch @pppobear so I can open the PR without it being auto-closed?

[can1357]

!vouch @pppobear