Map: Implement the wayfinder ticket surface in legit

[mayfieldiv]

Destination

All eight implementation issues merged to main and the ticket surface usable end-to-end in the real TUI: t toggles into a queue reading this repo's GitHub maps and local efforts, with a detail page and p copy of the handoff prompt.

Notes

• Execution map: this overrides wayfinder's plan-only default. Every ticket is a task; resolving one means implementing it — /implement driving /tdd — on a branch, /matt-code-review against the ticket, a PR opened only with explicit user approval (legit house rule), merged, then the ticket closed with a resolution comment linking the PR.
• The spec is the resolution comment on Assemble the implementation-ready spec; CONTEXT.md's ### Wayfinder tickets section is the vocabulary; read AGENTS.md before any session.
• Claim by assignee before any work. Native dependencies are the frontier; when a ticket closes, label the newly unblocked ones ready-for-agent.
• Decisions surfaced during implementation that the spec doesn't settle: small ones resolve in the ticket and are noted in its resolution; anything that changes the spec gets a grilling ticket added here, not a silent deviation.
• Planning history: Map: Wayfinder ticket surface in legit (closed).

Decisions so far

• Config: rename sourceClone to mainWorktreePath, allow slug-less repos, add wayfinderRoots — hard rename with a precise migration error; repos entries may be slug-less (slug/mainWorktreePath at least one required, slug-less rejects worktreeRoot) and carry wayfinderRoots; slug-less display name/dedup key moved to the Local Effort discovery ticket. Merged via PR Config: rename sourceClone to mainWorktreePath, allow slug-less repos, add wayfinderRoots #124.
• Ticket domain types, keys, and derivations — pure model module src/ticket.rs: Effort/Ticket types (state × claim orthogonal), open-string TicketType with derived Mode, Dependency variants, TicketKey/EffortKey identities on new RepoSlug/CanonicalPathBuf types, unit-tested derivations (blocked-ness, Frontier, Blocks) behind Effort-owned handles. Merged via PR Ticket domain types, keys, and derivations #125.
• GitHub transport: whole-map GraphQL read and single-ticket REST refresh — fetch_wayfinder_map runs spec §4.1's verbatim one-query read and normalizes into Effort (blocked-ness from the blockedBy list, never the summary counters); get_issue/list_issues_with_label for per-ticket paths; §4.4 fallback dialect detected, never parsed; malformed maps degrade per-Effort. Same-repo non-member blockers ruled External, not Unknown. Merged via PR GitHub transport: whole-map GraphQL read and single-ticket REST refresh #126.

Not yet specified

None.

Out of scope

• Ticket↔PR links — Surface links between wayfinder Tickets and PRs, its own effort.
• Everything the planning map ruled out: interleaving tickets into the PR list, prompt-template customization, TUI write actions, GitLab, amending wayfinder conventions.