Solver toggle does not actually switch — backend half stranded in stale PR #14

[jack-champagne]

Tracking issue for work stranded on rchari/solver-wire (PR #14, opened 2026-07-09, ~278 commits behind).

Only the UI half is on the default branch. Verified:

$ git ls-tree -r --name-only origin/local/amicode | grep -i solver
packages/ui/src/amicode/solver-toggle.test.ts
packages/ui/src/amicode/solver-toggle.tsx
packages/ui/src/components/amicode-solver-toggle.tsx

solver-mode.ts and the switch wizard are absent. So the toggle renders but there is no server-side solver-mode contract behind it — PR #14 was the half that makes it do the real switch.

What PR #14 carried that is still missing (+286/-6):

• packages/opencode/src/server/amicode/solver-mode.ts — the contract
• route registration in httpapi/server.ts
• packages/ui/src/amicode/solver-switch-wizard.tsx — the wizard
• packages/opencode/test/server/amicode-solver-mode.test.ts
• wiring in packages/app/src/pages/home.tsx and solver-toggle.tsx

Note home.tsx has changed substantially under the branch, so expect conflicts on any rebase — a fresh implementation against current local/amicode is likely cheaper.

Closing PR #14 as stale. Needs an owner.