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path: root/internal/appconfig/app_feature_sections.go
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2026-06-11appconfig: split FeatureConfig into cohesive per-subsystem structsPaul Buetow
The FeatureConfig section was a grab-bag mixing five unrelated non-LLM subsystems (ignore filtering, stats, tmux popup editor, tmux action menu, MCP server). Decompose it into named per-subsystem structs (IgnoreConfig, StatsConfig, TmuxEditConfig, TmuxActionConfig, MCPConfig) embedded into FeatureConfig so the subsystem boundaries are explicit. Embedding keeps Go field promotion intact, so existing flat read access (e.g. cfg.MCPPromptsDir) and the JSON/TOML on-disk shape are unchanged; only composite literals that set these leaf fields directly were updated to the nested form. Add fine-grained, defensive-copy section accessors on App (IgnoreSection, StatsSection, TmuxEditSection, TmuxActionSection, MCPSection) so consumers can depend on a single subsystem's config instead of the whole App God-struct. Decouple slashcommands.NewSyncer to accept appconfig.MCPConfig rather than appconfig.App. All tests pass with -race; appconfig coverage 91.5%, total 86.2%. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>