octave-literacy

name	octave-literacy
description	LLM-native structured communication format. Teaches OCTAVE syntax rules, canonical forms, and warning prevention for zero-error .oct.md authoring.
allowed-tools	["Read","Write","Edit"]
triggers	["octave format","write octave","octave syntax","structured output","OCTAVE basics","OCTAVE literacy","OCTAVE structure","key::value","OCTAVE notation","llm communication","token economy","loss accounting"]
version	3.2.1

===OCTAVE_LITERACY=== META: TYPE::SKILL VERSION::"3.2.1" STATUS::ACTIVE PURPOSE::"Zero-error OCTAVE authoring — syntax rules, canonical forms, warning prevention" OCTAVE::"Olympian Common Text And Vocabulary Engine — loss accounting system for LLM communication" AUDIENCE::LLM SPEC_REFERENCE::octave-core-spec.oct.md NEXT_SKILLS::[octave-mastery,octave-compression]

§0::CONSUMPTION_DIRECTIVE // You are writing for LLM consumption only. No prose. No narrative. Every token carries payload. // Optimize for parsing efficiency and token density. Readability is irrelevant. MYTHOLOGY::"Use as compression — zero-shot, trust it. ATHENA<strategic_wisdom> = 1 token replacing 15." MYTHOLOGY_ANTI_PATTERN::"ZEUS::executive_decision — use EXECUTIVE::decision when literal is equally clear" // Full vocabulary: octave-mastery §1 §1::CORE_SYNTAX ASSIGNMENT::"KEY::value — double colon, no spaces around ::" BLOCK::"KEY: + newline + 2-space indent — use when value has nested children" CHOICE::"scalar value → ASSIGNMENT. nested children → BLOCK. Never mix." LIST::"[a,b,c] — square brackets, no YAML bullets ever" STRING::"bare_word if no spaces/special chars, else double-quoted" NUMBER::"42 or 3.14 or -1e10 — no quotes" BOOLEAN::"true or false — lowercase only" NULL_VALUE::"null — lowercase only" COMMENT::"// — line start or after value" §1b::BRACKET_FORMS CONTAINER::"[a,b,c] — bare brackets = list" ANNOTATION::"NAME — semantic facet on identity (ATHENA<strategic_wisdom>, LLM)" ANNOTATION_DISCIPLINE::"Annotations are SHORT qualifiers (1-3 words, ≤32 chars, identifier-only). Multi-word reasoning belongs in a sibling RATIONALE value as a quoted telegraphic phrase (see octave-mastery §6a)." ANNOTATION_WRONG::"I6<migration_on_moving_target_is_anti_pattern_for_zero_warnings>" ANNOTATION_RIGHT::"I6<production_grade_quality> + RATIONALE::"Migration on moving target is anti-pattern for strict typing during data model changes."" CONSTRUCTOR::"NAME[args] — structured arguments on identifier (REGEX[pattern], ENUM[a,b], JIT_GRAMMAR_COMPILATION[META→GBNF])" // These are SEPARATE forms. <> qualifies what something IS. [] parameterizes what something DOES. // ATHENA<strategic_wisdom> = annotation (identity facet). ENUM[a,b,c] = constructor (validation args). // Lenient parser canonicalizes []→<> ONLY for annotation-context uses. Genuine constructors keep []. // When in doubt: identity/archetype qualifier → <>. Parameterized operation/schema → []. INLINE_MAP::"[key::val, key2::val2] — dense key-value pairs, values must be atoms, no nesting" §1c::LITERAL_ZONES // Fenced code blocks pass through with ZERO processing SYNTAX::"KEY then newline then fence of 3+ backticks" RULES::[ zero_processing_between_fences, tabs_allowed, NFC_bypass, info_tag_preserved ] USE_CASES::[ embedded_code, teaching_examples, verbatim_content, OCTAVE_about_OCTAVE ] FENCE_SCALING::"use N+1 backticks to wrap content containing N-backtick fences" §1d::BLOCK_CANONICAL_FORMS // Three shapes agents reach for when nesting — only one is correct RULE::"Multi-field token (any key whose value is a map) → BLOCK form. Never inline-array root. Never flat prefix-scalars." THREE_SHAPES: ✓ BLOCK (canonical): ✗ inline-array root: ✗ flat prefix-scalars: PLATFORM: PLATFORM::[ PLATFORM_TOKEN::HO-v1 TOKEN::HO-v1 TOKEN::HO-v1, PLATFORM_RUNTIME_FLOOR::"Node >=22" RUNTIME: RUNTIME::[FLOOR::"Node >=22"]] PLATFORM_RUNTIME_BECAUSE::"…" FLOOR::"Node >=22" BECAUSE::"…" SCALAR_LIST_ONLY::"Inline arrays ([a,b,c]) are for scalar lists only — IMMUTABLES::[…], CONSOLIDATES::[a,b] — never for maps-of-maps" WHY_BLOCK::"Indented children inherit parent context → fewer key tokens, better LLM attention, zero W_DUPLICATE_KEY collisions" WHY_NOT_INLINE_ARRAY_ROOT::"Inline map as token root is non-canonical for map tokens even when values are atomic (§1b::INLINE_MAP). Triggers E_NESTED_INLINE_MAP as soon as any child value needs nesting — restructuring after the fact is mechanical waste. Use BLOCK form from the start." WHY_NOT_FLAT_PREFIX::"PARENT_CHILD1 + PARENT_CHILD2 key proliferation destroys hierarchical grouping and LLM attention" §2::OPERATORS // Each operator encodes a relationship in a single token CONTAINER::"[] — List [a,b,c]" CONCAT::"⧺ — Mechanical join A⧺B | ASCII: ~" SYNTHESIS::"⊕ — Emergent whole A⊕B | ASCII: +" TENSION::"⇌ — Binary opposition A⇌B | ASCII: vs (requires word boundaries)" CONSTRAINT::"∧ — Inside brackets only [A∧B∧C] | ASCII: &" ALT::"∨ — Alternative A∨B | ASCII: |" FLOW::"→ — Right-associative A→B→C, often in lists [A→B→C] | ASCII: ->" SECTION_REF::"§ — target anchor e.g. §3c::ASSEMBLY_RULES" LINE_COMMENT::"// — line start or after value" ASCII_RULE::"All operators accept both unicode and ASCII. Always emit unicode." VS_RULE::"vs requires word boundaries: 'A vs B' valid, 'AvsB' invalid" TELEGRAPHIC_PHRASE::"see octave-compression §4::R3a — operators carry the English connectives inside quoted values" §3::CRITICAL_RULES R1::"No spaces around :: (KEY::value not KEY :: value)" R2::"Indent exactly 2 spaces per level — NO TABS" R3::"Keys must match [A-Za-z_][A-Za-z0-9_]* — start with letter or underscore" R4::"Envelopes: ===NAME=== open, ===END=== close (NAME must be [A-Z_][A-Z0-9_]*)" R5::"true, false, null — lowercase only (NOT True, False, NULL)" R6::"∧ only inside brackets: [A∧B∧C] valid, bare A∧B invalid" R6_CLARIFICATION::"Structural position: ∧ inside brackets only. Value position: operators inside quoted strings are valid telegraphic phrases — 'security ⇌ usability' not 'security at odds with usability' (see §2::TELEGRAPHIC_PHRASE, mastery §6a)" R7::"⇌ is binary only: A⇌B valid, chained A⇌B⇌C invalid" R8::"Values containing § must be quoted: "see §3b" not bare §3b" R9::"File extension .oct.md is canonical" R10::"Bare numeric keys trigger W_NUMERIC_KEY_DROPPED — use R1, STEP_1, not 1" R11::"Unkeyed prose sentences trigger W_BARE_LINE_DROPPED — comments (//) and list body lines are exempt" §3b::V6_ENVELOPE_STRUCTURE FILE_STRUCTURE::"===NAME=== then META then optional --- separator then BODY then ===END===" SEPARATOR::"--- signals metadata boundary to discovery/indexing tools. Place after META block." META_REQUIRED::[TYPE,VERSION] META_COMMON_OPTIONAL::[ STATUS, UPDATED, COMPRESSION_TIER, LOSS_PROFILE, CONTRACT, GRAMMAR ] // STATUS in META = document lifecycle (ACTIVE, DRAFT). STATUS in BODY = subject state. Both valid. COMPRESSION_TIER::ENUM[LOSSLESS,CONSERVATIVE,AGGRESSIVE,ULTRA] LOSS_PROFILE::"[preserve:causal_chains,drop:verbose_phrasing] — loss is explicit, never hidden" // NOTE: LOSS_PROFILE is spec-valid; older validators may not list it in allowed_meta — validator gap, not spec error CONTRACT::HOLOGRAPHIC<validation_law_in_document> GRAMMAR::GBNF_COMPILER<generate_constrained_output> §3c::ASSEMBLY_RULES RULE::"When concatenating profiles, omit intermediate ===END=== — only final one terminates" USE_CASES::[ agent_context_injection, specification_layering, multi_part_documents ] §3d::SECTION_PATH_REFERENCES SYNTAX::"§N::NAME — section reference. §3b::V6_ENVELOPE_STRUCTURE is a valid cross-reference." QUOTING::"Quote § when used as content value: VALUE::"see §3b" not VALUE::§3b" NESTING::"§3b inside §3 — subsection. Prefix digit tracks depth." §4::WARNING_PREVENTION // octave_write returns warnings[] — each warning is silent data loss W_BARE_LINE_DROPPED::"Cause: line has no key:: prefix. Fix: add a key or use // comment." W_NUMERIC_KEY_DROPPED::"Cause: bare integer key (1::thing). Fix: use R1::thing or STEP_1::thing." W_CHECK::"After every octave_write call, inspect warnings[]. Today: Empty = clean. Non-empty = data lost. AFTER ADR-0006 SR1-T4: see §6 — empty no longer implies clean." W_CHANGES_MODE_NESTED_MAP::"Cause: passing a nested dict as a changes-mode value to octave_write. Fix: use content= with format_style=preserve for any block-nested content. Changes-mode serializes nested dicts as inline maps → E_NESTED_INLINE_MAP. Exception: scalar-array appends (e.g. into AMENDS::[…]) remain changes-mode-friendly." // W_CHANGES_MODE_NESTED_MAP: per octave-mcp changes-mode footgun — revisit post-ADR-0006-SR3-T2 when changes-mode gains native nesting support // Semantic of warnings[] is changing. See §6::FORTHCOMING_BEHAVIOR for timing markers. §5::WORKED_EXAMPLE // Shows: envelope, META with optional fields, separator, operators, annotation, loss accounting EXAMPLE: ``` ===DECISION=== META: TYPE::DECISION VERSION::"1.0.0" COMPRESSION_TIER::CONSERVATIVE LOSS_PROFILE::"[preserve:causal_chains,drop:verbose_phrasing]"

STATUS::ACTIVE CONTEXT::API_redesign[KAIROS<Q2_window>] DECISION::microservice_extraction[auth⊕payments→independent_services] PHASES: PLAN::[Research→Design] BUILD::[Code⊕Test] METRICS: LATENCY::"<200ms p99" AVAILABILITY::"99.95%" ===END=== // KAIROS<Q2_window> = annotation form. Semantic facet on identifier, not a list. // META carries COMPRESSION_TIER and LOSS_PROFILE — loss is auditable. // PHASES uses BLOCK because children are nested. STATUS uses ASSIGNMENT because scalar. §6::FORTHCOMING_BEHAVIOR // Per ADR-0006 (Writer/Reader Symmetry Programme). The writer surface is bifurcating. // This section is truthful BEFORE and AFTER the milestones land — read the timing markers. REF::"octave-mcp:docs/adr/ADR-0006-writer-reader-symmetry.md" // ^ path is in the octave-mcp repo (upstream OCTAVE spec authority), not this repo. §6a::TIMELINE TODAY::"octave_write canonicalises (normalises syntax) on every write. warnings[] enumerates what changed during normalisation. Empty warnings[] ⇒ source was already canonical." AFTER_SR1_T4::"Default behaviour becomes NO-OP normalisation. octave_write commits bytes as supplied (subject to schema validation). warnings[] enumerates what would have changed had normalisation been ATTEMPTED. Empty warnings[] ⇒ no normalisation was attempted — NOT a guarantee of canonicality. Sprint 1 milestone." AFTER_SR3_T2::"Canonicalisation moves to a separate octave_fmt tool. Use octave_write to PERSIST bytes; use octave_fmt to CANONICALISE on demand. Two distinct calls, two distinct receipts. Sprint 3 milestone." §6b::SEMANTIC_SHIFT_OF_EMPTY_WARNINGS // The same wire shape (warnings: []) carries different meaning across the timeline. TODAY::"warnings:[] ≡ source_already_canonical[no_changes_needed]" AFTER_SR1_T4::"warnings:[] ≡ no_normalisation_attempted[canonicality_unknown]" IMPLICATION::"Post-SR1-T4, do NOT infer canonicality from absence of warnings. Run octave_fmt (post-SR3-T2) or call octave_validate to check canonicality." I4_RECEIPT::"This semantic shift is itself a TRANSFORM_AUDITABILITY event — logged here in skill text rather than absorbed silently into existing wording. PROD::I4." §6c::AGENT_GUIDANCE_BY_PHASE PHASE_TODAY::[ "Use octave_write for both persistence AND canonicalisation", "Inspect warnings[] to learn what was normalised", "Empty warnings[] = clean[input was canonical]" ] PHASE_AFTER_SR1_T4::[ "Use octave_write for persistence", "Inspect warnings[] to learn what WOULD have been normalised — these are now diagnostics, not data-loss receipts", "Empty warnings[] = NOT a canonicality guarantee — call octave_validate or (post-SR3-T2) octave_fmt" ] PHASE_AFTER_SR3_T2::[ "octave_write::persistence_only[no_canonicalisation]", "octave_fmt::explicit_canonicalisation[on_demand,returns_diff_receipt]", "Two-call pattern: write_then_fmt for canonical persistence; write_only for raw persistence" ] §6d::INVARIANT_RELOCATION_NOT_RELAXATION // PROD::I1 (SYNTACTIC_FIDELITY: normalization_alters_syntax_never_semantics) is NOT being weakened. // The bifurcation RELOCATES the I1 enforcement locus from octave_write to octave_fmt. // octave_fmt remains bound by I1 (idempotent, bijective on semantic space). // octave_write becomes a pure persistence path; canonicalisation is opt-in. AUTHORS::"Treat octave_write as 'commit bytes' and octave_fmt as 'canonicalise bytes' — they compose, they do not duplicate." §7::REPAIRLOG_AUDIT_COMPLETENESS // ADR-0006 SR1-T1 Step 3 (v1.12.0): RepairLog is the complete I4 record. POST_V1_12_0::"RepairLog is the complete I4 (TRANSFORM_AUDITABILITY) record. All TIER_NORMALIZATION events (whitespace, blank-line, identifier dequoting, triple-quote collapse, W002) emit corrections via the central core/grammar/tier_normalize channel." EMPTY_LOG_SEMANTICS::"An empty RepairLog means no normalisation was applied. Do not assert empty-log on documents containing trivia normalisation (blank-line stripping, triple-quote collapse) — those now produce corrections." CONSUMER_GUIDANCE::[ "If your test pre-v1.12.0 asserted len(corrections)==0 on a document that strips blank lines or collapses triple-quoted empties, it will now see corrections — this reflects correct I4 behaviour. The prior empty-list was an under-reporting bug.", "To detect content normalisation: filter corrections by tier=='NORMALIZATION'.", "To detect schema repairs: filter by tier=='REPAIR'." ] §8::UNIVERSAL_GOVERNANCE_GRAMMAR // UPOG (Universal Parse-Only Governance) — structural composition for governance artefacts // (North Stars, ADRs, RFCs, project-context docs). Composes on top of §2 R3a value-form // and §3 critical rules. Establishes parse-only validation as the gate, eliminating // per-doctype schema registration tax. Convention IS the schema, enforced by the strict // parser ⊕ this skill ⊕ octave-secretary write gate. §8a::ORGANIZING_PRINCIPLE MOTTO::"strict AST parse → gate. skill → schema. doctypes → zero registration tax." INSIGHT::"governance bodies → schema-exempt by declaration. META envelope → still validates." APPLIES_TO::[ North_Star_Summary, Architectural_Decision_Record, Request_For_Comments, project_context_documents, any_repeated_entity_governance_artefact ] §8b::BLOCK_FORM_FOR_REPEATED_ENTITIES // The structural anti-pattern that broke pre-UPOG governance docs: // I1::NAME::[PRINCIPLE::v, WHY::v, STATUS::v] // The chained ::NAME::[...] form reads as ASSIGNMENT under strict 1.13 lexer, // hoisting inner KV pairs to file-top-level. Across I1..IN, PRINCIPLE/WHY/STATUS // collide with W_DUPLICATE_KEY × 3N — last-write-wins data loss. PATTERN::"ID<LABEL>: + indented children" SYNTAX::"Block opener uses ID<LABEL>: form. NAME<facet> annotation (§3 of octave-mastery) carries the human-readable label. Indented children scope KEY tokens per-parent." EXAMPLE_FORBIDDEN::"I1::PERSISTENT_COGNITIVE_CONTINUITY::[PRINCIPLE::v,WHY::v,STATUS::v]" EXAMPLE_CANONICAL: §1::IMMUTABLES COUNT::6 I1<PERSISTENT_COGNITIVE_CONTINUITY>: PRINCIPLE::"persist context⊕decisions⊕learnings → cross-session continuity" WHY::"amnesia → system failure [prevent re-learning cost]" STATUS::PENDING OWNER::implementation-lead GATE::B1 I2<STRUCTURAL_INTEGRITY_PRIORITY>: PRINCIPLE::"correctness⊕compliance → precedence over velocity" ... §1::IMMUTABLES COUNT::6 ``` RATIONALE::"§N::NAME is structurally targetable. ## is text annotation lexer rejects." §8d::SCHEMA_EXEMPTION_VIA_CONTRACT // Declaratively scope schema validation to the META envelope; body fields are governed // by parse correctness, NOT by per-doctype schema registration. Eliminates the tax of // creating NORTH_STAR_SUMMARY / ADR / RFC schemas for every new artefact class. META_ANNOTATION::"CONTRACT::HOLOGRAPHIC<parse_only_governance>" SEMANTIC::"META → still validates against generic META schema. Body → parse-only governed. Body schema_validation_errors → non-load-bearing by declaration." PRECEDENT::"§3b META_COMMON_OPTIONAL already permits the HOLOGRAPHIC contract facet — we are using the existing hook, no spec change required." SUCCESS_CRITERION::"octave_validate STRICT → warnings:[] ⊕ errors:[] ⊕ repairs:[]" §8e::CANONICAL_AND_SOURCE_META // Path-tracking META fields enforced by canonical-paths pre-commit hook. CANONICAL::"runtime delivery path (e.g. .hestai/north-star/… or .hestai-sys/…)" SOURCE::"git-committed source path (e.g. src//_bundled_hub/… or repo-local)" RULE::"every governance .oct.md → META.CANONICAL ⊕ META.SOURCE required" PROJECT_LOCAL::"if file lives only in project tree → CANONICAL == SOURCE" BUNDLED_HUB::"source ≠ canonical → CANONICAL points to .hestai-sys/, SOURCE points to _bundled_hub/" §8f::VALUE_FORM_DELEGATION // Reasoning-field values (PRINCIPLE, WHY, RATIONALE, EVIDENCE, …) → R3a §4 of octave-compression. // Do NOT use snake_case_blobs in reasoning fields → triggers W_SNAKE_CASE_BLOB advisory // (see octave-secretary §5::SNAKE_CASE_BLOB anti-pattern, octave-mcp 1.13.0). SEE_COMPRESSION::"octave-compression §4::R3a" SEE_SECRETARY::"octave-secretary §5::SNAKE_CASE_BLOB" RULE::"quoted prose ∨ telegraphic operator form. NEVER bare snake_case_blob in reasoning fields." §8g::MIGRATION_CHECKLIST // Mechanical migration recipe — every legacy field preserved verbatim, only shape changes. STEP_1::"replace every ## Heading → §N::SECTION_NAME" STEP_2::"replace every I#::NAME::[KEY::v,…] → I#:\n KEY::v indented children" STEP_3::"add META.CONTRACT::HOLOGRAPHIC<parse_only_governance>" STEP_4::"add META.CANONICAL ⊕ META.SOURCE" STEP_5::"telegraphic-compress reasoning values per R3a (operators carry connectives)" STEP_6::"octave_validate STRICT → confirm warnings:[] ⊕ errors:[] ⊕ repairs:[]" INVARIANT::"core structural field names preserved (PRINCIPLE, WHY, STATUS, INHERITS, IS, IS_NOT, GATES, LOAD_FULL_NORTH_STAR_IF, THE_OATH, …). Permitted semantic splits where the legacy form encoded multiple values in one slot: ASSUMPTIONS::N[note] → ASSUMPTIONS_COUNT::N ⊕ ASSUMPTIONS_NOTE::note. RELATED::[issues]∨[adrs] → RELATED_ISSUES::[…] ⊕ RELATED_ADRS::[…]. IF::trigger,THEN::[actions] → TRIGGER::trigger ⊕ ACTION::[actions] (within §::PROTECTION_CLAUSE block). Splits are mechanical and lossless — no semantic content dropped." §8h::ENFORCEMENT_LOCI // The convention is enforced at three structural points — drift in any one is detectable. LOCUS_1::"this skill — declares the pattern (vault delivery via _bundled_hub)" LOCUS_2::"octave-secretary agent — sole valid .oct.md write path, invokes octave_write" LOCUS_3::"octave-mcp 1.13 STRICT lexer — refuses non-compliant grammar at parse" DRIFT_DETECTION::"file hash on bundled-hub skill source ⊕ pre-commit OCTAVE validation" ===END===