{
  "_meta": {
    "schema_version": "2.0.0",
    "purpose": "Schema notes for compiled memory files generated from threads_daily_tracker.json.",
    "source_of_truth": "threads_daily_tracker.json",
    "generated_files": [
      "compiled/account_wiki.md",
      "compiled/account_state.md",
      "compiled/personal_signal_memory.md",
      "compiled/next_move_queue.md",
      "compiled/post_feature_index.jsonl",
      "compiled/cluster_wiki.json",
      "compiled/exemplar_bank.md",
      "compiled/recent_window.md",
      "compiled/voice_fingerprint.md",
      "compiled/voice_fingerprint.json"
    ]
  },
  "shared_metadata": {
    "generated_at": "ISO-8601 timestamp",
    "source_tracker_hash": "sha256 of tracker JSON bytes",
    "posts_count": "number of posts included",
    "confidence_level": "Directional | Weak | Usable | Strong | Deep",
    "coverage_notes": "short text explaining missing metrics or sparse data"
  },
  "post_feature_index_jsonl": {
    "first_line": {
      "_meta": "shared metadata object"
    },
    "one_line_per_post": {
      "id": "string",
      "created_at": "ISO-8601 timestamp or null",
      "summary": "short one-sentence post summary",
      "text_excerpt": "first 180 characters, for identification only",
      "content_type": "string or null",
      "hook_type": "string or null",
      "ending_type": "string or null",
      "emotional_arc": "string or null",
      "word_count": "integer",
      "paragraph_count": "integer",
      "topics": ["string"],
      "semantic_cluster": "string or null",
      "freshness_score": "integer or null",
      "fatigue_risk": "low | medium | high | null",
      "metrics": {
        "views": "integer or null",
        "likes": "integer or null",
        "replies": "integer or null",
        "reposts": "integer or null",
        "shares": "integer or null"
      },
      "source_post_id": "same as id"
    }
  },
  "cluster_wiki_json": {
    "clusters": [
      {
        "cluster": "string",
        "post_count": "integer",
        "last_post_at": "ISO-8601 timestamp or null",
        "recent_count": "integer",
        "median_views": "number or null",
        "top_post_ids": ["string"],
        "representative_post_ids": ["string"],
        "common_topics": ["string"],
        "fatigue_risk": "low | medium | high | unknown",
        "notes": "short text"
      }
    ]
  },
  "account_state_md": {
    "purpose": "Three-axis diagnosis for low-token runtime: algorithm state, audience psychology state, and anti-AI state.",
    "rules": [
      "Derived from tracker metrics, topic freshness, originality-risk fields, and lightweight AI-tone pattern checks.",
      "Must not override knowledge/_shared/red-lines.md.",
      "User-facing output should mirror the user's language; explain AK-specific IDs such as S2 or R5 the first time they appear."
    ]
  },
  "personal_signal_memory_md": {
    "purpose": "Compact personal signals grouped by algorithm, audience psychology, and anti-AI texture.",
    "rules": [
      "Not a case-study library.",
      "Not a formula bank.",
      "Use post IDs as provenance anchors and downgrade confidence when evidence is thin."
    ]
  },
  "voice_fingerprint": {
    "purpose": "Deterministic voice-pattern cache for /voice and /draft. It moves mechanical counts out of the model context and provides engagement-weighted evidence anchors.",
    "files": {
      "voice_fingerprint_md": "Human-readable runtime summary for /voice and /draft.",
      "voice_fingerprint_json": "Structured counts, source IDs, temporal phases, cognitive-layer candidate sentences, anti-voice candidates, and calibration anchors."
    },
    "rules": [
      "Tracker remains the source of truth.",
      "Engagement weighting is an evidence priority signal, not a verdict on authenticity.",
      "Temporal-shift signals should prevent old patterns from becoming hard /draft rules.",
      "Anti-voice candidates are not hard taboos until supported by evidence or Manual Refinements.",
      "Manual Refinements in brand_voice.md outrank every compiled signal."
    ],
    "top_level_keys": [
      "_meta",
      "engagement_model",
      "voice_fingerprint",
      "temporal_shift",
      "cognitive_layer_seed",
      "anti_voice_seed",
      "draft_quick_reference_seed",
      "source_excerpt_index"
    ]
  },
  "next_move_queue_md": {
    "purpose": "Algorithm-gated next moves derived from account state.",
    "rules": [
      "Every move must name S targets and R risks.",
      "Do not call moves formulas.",
      "Do not promise virality."
    ]
  },
  "reason_strip_when": {
    "reason": "Compiled memory lets daily runs use source-linked historical summaries instead of repeatedly loading the full tracker.",
    "strip_when": "The tracker is moved to a queryable store with cheap filtered retrieval, or agent token limits stop being a meaningful constraint."
  }
}