Execute all sections via wave-based parallel execution. Sections grouped by wave number. Each wave runs parallel; waves run sequentially. After final wave, spawn coherence-checker. [step:load_state p=1] RUN: cat .planning/STATE.md 2>/dev/null RUN: cat .planning/config.json 2>/dev/null RESOLVE: MODEL_PROFILE from config (default: balanced) [/step] [step:validate_environment] REQUIRE: .planning/ROADMAP.md (else: /wtfp:create-outline) REQUIRE: .planning/sections/*/*-PLAN.md (else: /wtfp:plan-section) CHECK: existing SUMMARY.md count (warn if all complete) [/step] [step:build_wave_plan] PARSE: all PLAN.md frontmatter for wave numbers GROUP: sections by wave (wave 1 = independent, wave N = depends on N-1) PRESENT: execution plan (waves, sections per wave, total words) [/step] [step:resolve_models] MODEL_TABLE{agent,quality,balanced,budget}: section-writer | opus | sonnet | sonnet coherence-checker | sonnet | sonnet | haiku STORE: writer_model, checker_model [/step] [step:execute_waves] FOR wave = 1 to max_wave: 1. EMIT: wave banner with section list 2. FOR each section in wave: - LOAD: CONTEXT.md, RESEARCH.md, prior SUMMARYs - SPAWN: Task(section-writer, model=writer_model) per PLAN.md - Parallel within wave 3. COLLECT: all returns 4. ROUTE: - WRITING COMPLETE → update STATE.md, ROADMAP.md - CHECKPOINT REACHED → present to user, get response - WRITING BLOCKED → present options: retry | skip | abort 5. VERIFY: all wave sections resolved before next wave 6. UPDATE: progress in STATE.md [/step] [step:spawn_coherence_checker] AFTER final wave: READ_INLINE: paper/*.md, argument-map.md, narrative-arc.md, outline.md SPAWN: Task(coherence-checker, model=checker_model) CONTEXT: , , , (all inline) NOTE: inline context avoids redundant file reads in checker agent [/step] [step:handle_coherence_result] ROUTE: COHERENT → update STATE.md, proceed to completion GAPS FOUND → present gaps, OPTIONS: fix now | accept | plan revision [/step] - [ ] Wave execution plan built from ROADMAP.md and PLAN.md frontmatter - [ ] All waves executed in dependency order - [ ] Parallel Task() spawns within each wave - [ ] Checkpoints handled between waves - [ ] Coherence-checker spawned after final wave with inline paper content - [ ] Coherence result routed (COHERENT or GAPS FOUND) - [ ] STATE.md and ROADMAP.md updated throughout