spec - features-index-diagnostics.rq

Idea	File	Status	Summary
index_diagnostics	reqlan rq/extension/features-index-diagnostics.rq	done	Indexing performance diagnostics: measure and inspect time spent indexing a [indexer.index] base. Timing is persisted in a dedicated * * diagnostic index * * under application memory ( [app_memory.index_diagnostics_store] ), not in `ideas-index.sqlite`, so history survives Clear & rebuild. Surfaces: [index_diagnostics_webview]. Owned by `@reqlan/analytical` for recording; the extension hosts the webview.
index_diagnostics_metrics	reqlan rq/extension/features-index-diagnostics.rq	done	For each sync / index run on a base, record: - wall-clock * * sum / total duration * * of the pass - * * file count * * ( visited ), skipped-by-mtime count, indexed ( parse / persist attempted ) count, error count - * * average path depth * * of visited files ( segments under the base root ) - per-file * * duration * * and outcome ( `mtime_skip` \| `mtime_refresh` \| `hash_skip` \| `persisted` \| `error` ) Runs are attributable to a trigger ( `soft_sync` \| `rebuild` \| `enqueue` \| `stale` ). Instrumentation wraps [workspace_index] soft sync and [indexer.nonblocking_index] single-file paths via [diagnostics_store].
index_diagnostics_webview	reqlan rq/extension/features-index-diagnostics.rq	done	An editor webview panel displays index timing diagnostics for the active base. Capabilities: - Base / latest-run summary: total time, file counts, average depth - Drill into recent runs - Rank files by duration ( slowest first ); show outcome and path depth Opened by command `reqlan.openIndexDiagnostics` ( [commands.open_index_diagnostics] ). Optional entry from workspace index health ( [workspace_pane.workspace_pane] ) may link later; command is the primary entry. Implementation: [diagnostics_panel], [DiagnosticsApp].

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