01//DefinitionTerm

// ##tc-def =Temporal context — timeline of user actions attached to document, enabling navigation through personal history .Every action gets a timestamp .Timeline = chronological list of traces .Click timeline item → scroll to moment

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02//Mental Time TravelCognitive

// ##tc-mtt .Episodic memory enables mental time travel — re-experiencing past moments .Timeline interface = externalized time travel .Click → "I was here, doing this, at that time"

📍Current position

↑scroll back

◉Anchored at 14:23

▤Tagged at 14:18

✎Decided at 14:05

↓scroll forward

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03//TimelineStructure

// ##tc-structure .Timeline = reverse-chronological list of traces .Each entry: timestamp + type + preview + link .Rendered in sidebar — always visible // ##tc-nav →Click entry → scroll to line →Hover → preview full content →Filter by type → anchors only, tags only

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04//RetrievalMemory

// ##tc-cue .Timeline provides temporal retrieval cues ."I tagged something around 2pm" → scan 14:00-15:00 .Timestamp narrows search space // ##tc-triple +Three retrieval paths to same content: .Spatial — "the highlighted line near top" .Semantic — "the #risk tag" .Temporal — "what I marked after lunch"

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05//BenefitsAdvantages

// ##tc-plus +Recover "lost" memories — when did I read this? +Session reconstruction — see your reading path +Context for decisions — "I decided X after reading Y" +Pattern detection — "I always tag #risk around 3pm"

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06//ImplementationHow

// ##tc-impl .Each trace stores ISO timestamp .Sort by timestamp descending .Render as sidebar list with click handlers .Filter: type, date range, session // ##tc-open ?Group by session vs continuous timeline? ?Timeline visualization — linear vs calendar? ?Export timeline as activity log?