elevanaltd/octave-compression

===OCTAVE_COMPRESSION=== META: TYPE::SKILL VERSION::"3.0.0" STATUS::ACTIVE PURPOSE::"Decision rules and workflow for transforming prose into semantic OCTAVE at the correct fidelity tier" REQUIRES::octave-literacy SPEC_REFERENCE::octave-data-spec.oct.md

§1::TIER_SELECTION // Choose tier BEFORE reading source. Tier drives every subsequent decision. TIERS: LOSSLESS: TARGET::"100%_fidelity" PRESERVE::everything DROP::nothing USE::[ critical_reasoning, legal_documents, safety_analysis, audit_trails ] CONSERVATIVE: TARGET::"85-90%_fidelity" PRESERVE::explanatory_depth DROP::redundancy LOSS::"10-15%[repetition,verbose_phrasing,some_edge_cases]" USE::[ research_summaries, design_decisions, technical_analysis ] AGGRESSIVE: TARGET::"70%_fidelity" PRESERVE::[core_thesis∧conclusions] DROP::[nuance∨narrative] LOSS::"30%[explanatory_depth,tradeoff_narratives,edge_case_exploration]" USE::[ context_window_scarcity, quick_reference, decision_support ] ULTRA: TARGET::"50%_fidelity" PRESERVE::[facts∧structure] DROP::all_narrative LOSS::"50%[almost_all_explanatory_content,tradeoff_reasoning]" USE::[ extreme_scarcity, embedding_generation, dense_reference ] ULTRA_MYTHIC: TARGET::"60%_compression" PRESERVE::[soul∧constraints] METHOD::mythological_atoms USE::[agent_binding, identity_transfer] REQUIRES::octave-ultra-mythic // Specialized identity compression skill for agent binding and // identity transfer contexts. See skills/octave-ultra-mythic. DECISION_RULES::[ "IF[reconstruction_accuracy_critical]→CONSERVATIVE∨LOSSLESS", "IF[context_window_scarce∧loss_acceptable]→AGGRESSIVE∨ULTRA", "IF[decision_relevant_facts_must_survive]→CONSERVATIVE⊕mythology_domain_labels", "DEFAULT→CONSERVATIVE" ] §2::LOSS_ACCOUNTING // I4::TRANSFORM_AUDITABILITY — every transformation must log what was preserved vs dropped. // These META fields are MANDATORY for any compressed output. REQUIRED_META_FIELDS::[COMPRESSION_TIER,LOSS_PROFILE] LOSS_PROFILE_FORMAT::"[preserve:X,drop:Y]" // LOSS_PROFILE must be explicit — never hidden EXAMPLES: CONSERVATIVE::"[preserve:causal_chains,drop:verbose_phrasing]" AGGRESSIVE::"[preserve:core_thesis∧conclusions,drop:explanatory_depth∨edge_cases]" ULTRA::"[preserve:facts∧structure,drop:all_narrative∨tradeoff_reasoning]" META_BLOCK_TEMPLATE: META: TYPE::DECISION VERSION::"1.0.0" COMPRESSION_TIER::CONSERVATIVE LOSS_PROFILE::"[preserve:causal_chains,drop:verbose_phrasing]" I4_RULE::"If bits were dropped, the output must carry a receipt. No silent loss." §3::TRANSFORMATION_WORKFLOW PHASE_1_READ: MAP::"Identify all causal chains (A causes B, X requires Y)" IDENTIFY::[ Redundancy, Verbosity, Conditional_Qualifiers ] NOTE::"Conditional qualifiers (when X, if Y, unless Z) carry material risk — never drop" PHASE_2_EXTRACT: PRESERVE::[ causal_chains, BECAUSE_statements, metrics, conditional_qualifiers ] COMPRESS::[ stopwords, repetition, verbose_phrasing, narrative_connectives ] ANCHOR::"One concrete example per major abstraction — anchors reconstruction fidelity" PHASE_3_COMPRESS: OPERATORS::"Apply ⊕ ⇌ → ∧ ∨ from octave-literacy §2" HIERARCHY::"Group related concepts under parent BLOCK keys" MYTHOLOGY::"Use domain label prefixes (ARTEMIS::, CHRONOS::) to anchor facts — see §5" ARRAYS::"Convert parallel items to [item1,item2,item3]" PHASE_4_VALIDATE: FIDELITY::"Are all causal chains intact?" LOSS_RECEIPT::"Does META carry COMPRESSION_TIER and LOSS_PROFILE?" GROUNDING::"Is there at least one concrete example per major abstraction?" WARNINGS::"Check octave_write warnings[] — W_BARE_LINE_DROPPED and W_NUMERIC_KEY_DROPPED are silent data loss. NOTE: warnings[] semantics change post ADR-0006 SR1-T4 (no-op normalisation default) and SR3-T2 (octave_fmt bifurcation) — see octave-literacy §6::FORTHCOMING_BEHAVIOR." §4::COMPRESSION_RULES R1::"Preserve CAUSALITY — X→Y because Z. Never flatten to X→Y alone." R2::"Preserve CONDITIONAL QUALIFIERS — when X, if Y, unless Z carry material risk info" R3::"Preserve EXPLICIT TRADEOFFS — GAIN⇌LOSS or GAIN vs LOSS" R3a::"TELEGRAPHIC_PHRASE — quoted value, stopwords dropped, operators carry English connectives — e.g. 'security ⇌ usability' not 'security at odds with usability'" R4::"One concrete example per major abstraction — minimum reconstruction anchor" R5::"Use mythology as KEY PREFIXES (CHRONOS::audit_6wk) not embedded values — domain labels are reconstruction anchors" R6::"Use mythology as PATTERN DESCRIPTORS (SISYPHEAN,ODYSSEAN) for single-token trajectory encoding" R7::"Never drop numbers, IDs, thresholds, or named entities — these are irreplaceable" §5::CONSERVATIVE_PLUS_MYTHOLOGY // CONSERVATIVE compression + mythology domain labels = maximum fidelity at minimum tokens WHEN::"Decision-relevant content where reconstruction accuracy matters more than minimum tokens" METHOD::"Use mythology terms as KEY prefixes (CHRONOS::audit_6wk) not embedded values" WHY::"Domain labels force agents to translate each labeled field separately — prevents fact merging" RESULT::"11/11 decision-relevant facts preserved at 15% fewer tokens than original prose" EVIDENCE::octave-mcp[docs/research/compression-fidelity-round-trip-study.md] §6::ANTI_PATTERNS AP1::"Markdown inside OCTAVE blocks — no bold, no headers, no bullet hyphens" AP2::"JSON/YAML syntax — no curly braces, no trailing commas, no YAML bullet hyphens" AP3::"Deep nesting beyond 3 levels — restructure with parent BLOCK keys" AP4::"Silent loss — always declare COMPRESSION_TIER and LOSS_PROFILE in META" AP5::"Paradigm drift — validate for LLM parse efficiency, not human readability" ===END===