Cortex has a shallow metadata-file source shape, with optional companion history JSONL handled inside the existing parser. Moving it behind a concrete provider keeps source discovery and lookup explicit without adding a new source abstraction.
The provider preserves the legacy Cortex session-file predicate, backup/history companion exclusions, symlinked file behavior, deleted-path classification, source fingerprinting, and parse normalization for session names, cwd, and tool content.
Validation: go fmt ./...; go test -tags "fts5" ./internal/parser -run TestCortexProvider -count=1; go test -tags "fts5" ./internal/parser -count=1; go vet ./...; make test-short; git diff --check
fix(parser): include cortex history companions
Cortex split-history sessions parse messages from a sibling .history.jsonl file, so provider-backed live sync has to treat that companion as part of the same source. Otherwise a history-only append can be watched but never mapped back to the metadata session, or can keep the same freshness identity and skip reparsing.
This keeps the persisted source key on the .json metadata file while adding companion watch classification and a composite fingerprint over the metadata and history files when the companion exists.
Validation: go fmt ./...; go test -tags "fts5" ./internal/parser -run TestCortexProviderClassifiesAndFingerprintsHistoryCompanion -count=1; go test -tags "fts5" ./internal/parser -run TestCortexProvider -count=1; go test -tags "fts5" ./internal/parser -count=1; go vet ./...; make test-short; git diff --check; make nilaway
test(parser): opt cortex into provider shadow
Cortex now has a concrete facade provider on this branch, so its migration mode should enter shadow comparison instead of staying legacy-only and additive.
Lower provider opt-ins stay inherited and later provider branches own their own manifest changes.
Validation: go test -tags "fts5" ./internal/parser -run TestProviderMigrationModes -count=1; go test -tags "fts5" ./internal/parser -count=1; go vet ./...; git diff --check
test(sync): compare cortex shadow parity
Cortex is shadow-compared on this branch, so add source-level migration coverage that compares provider observation with ParseCortexSession.
The fixture uses Cortex's split metadata/history format so the test proves the provider path preserves companion-history parse behavior while still planning the primary session ID.
Validation: go test -tags "fts5" ./internal/parser ./internal/sync -run 'TestObserveProviderSourceMatchesCortexLegacyParser|TestCortexProvider|TestParseCortex' -count=1; go test -tags "fts5" ./internal/parser ./internal/sync -count=1; go fmt ./...; go vet ./...; git diff --check; ./custom-gcl run --config .golangci.nilaway.yml ./internal/parser/... ./internal/sync/...
refactor(parser): fold cortex into provider
Move Cortex parse ownership onto the concrete provider and remove the package-level discover/find/parse entrypoints. Route Cortex sync classification and processing through provider changed-path handling so this branch migrates the provider instead of adding another shim.
fix(sync): include cortex companion mtimes in quick sync
Provider-authoritative Cortex discovery emits the metadata JSON as the source, but its freshness identity also includes the split .history.jsonl companion. SyncAllSince was still filtering on the metadata file mtime before provider fingerprinting, so history-only updates could be dropped during quick sync.\n\nUse provider fingerprint mtimes for provider-process discovered files before applying the since cutoff, falling back to the existing per-agent stat logic when the provider has no mtime. Cortex full parses now replace messages as well, because split history rewrites can change existing ordinals rather than only append.\n\nValidation: go test -tags "fts5" ./internal/sync -run TestSyncAllSinceCortexHistoryUpdateTriggersResync -count=1; go test -tags "fts5" ./internal/parser -run Cortex -count=1; go test -tags "fts5" ./internal/sync -run 'Cortex|TestClassifyOnePath_Cortex|TestSyncAllSinceCortexHistoryUpdateTriggersResync' -count=1; go test -tags "fts5" ./internal/sync -count=1; go fmt ./...; go vet ./...; git diff --check
fix(parser): thread ctx through cortex source lookups
mariusvniekerk
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Cortex has a shallow metadata-file source shape, with optional companion history JSONL handled inside the existing parser. Moving it behind a concrete provider keeps source discovery and lookup explicit without adding a new source abstraction.
The provider preserves the legacy Cortex session-file predicate, backup/history companion exclusions, symlinked file behavior, deleted-path classification, source fingerprinting, and parse normalization for session names, cwd, and tool content.
Split-history companion files are modeled as part of the same provider source: watch plans include .history.jsonl files, companion changes classify back to the metadata .json source, and fingerprints include both files while keeping the persisted source key on the metadata path.