Introduce project-management backend abstractions beyond GitHub#337
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nicobistolfi merged 1 commit intomainfrom Mar 29, 2026
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Add a backend abstraction layer that separates core orchestration from GitHub-specific APIs. The new internal/backend package defines four interfaces (IssueTracker, PullRequestManager, LabelManager, RateLimiter) with backend-neutral types. A GitHub implementation wraps existing ghcli functions to preserve current behavior. The App struct now holds interface fields instead of calling ghcli directly, and WatchTarget/Session carry backend identity fields (issue_backend, git_backend, pr_backend, project_ref) to support mixed-backend configurations like Linear issues + GitHub PRs. All existing GitHub behavior is preserved through type aliases and the GitHub backend implementation delegating to ghcli functions. Closes #334
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Summary
internal/backendpackage with four interfaces (IssueTracker,PullRequestManager,LabelManager,RateLimiter) and backend-neutral typesinternal/backend/github) wrapping existingghclifunctions for zero-behavior-change compatibilityAppstruct andrunner/session.goto use backend interfaces instead of directghclicallsissue_backend,git_backend,pr_backend,project_reffields toWatchTargetandSessionfor mixed-backend support (e.g., Linear issues + GitHub PRs)Test plan
go test ./...)gofmtandgo vetcleanCloses #334