Composition OS (Standalone Canonical Page) — Almost-Code + V1.1 (Paste-Ready)

Composition_OS := a closed-loop output system that produces
coherent, vivid, time-bounded writing by coordinating:
  Planning → Drafting → Checking → Feedback → Repair → Transfer
under load (timer + variation).

P3(Composition) = can repeatedly produce exam-grade writing
on time, across varied prompts,
with stable structure + clear meaning + language variation.

Most writing failure is not lack of ideas.
It is system failure under load:
  planning leak, vocabulary leak, structure leak, time-control leak.

Composition_OS {
  Inputs:
    - content ideas
    - vocabulary throughput (Z0–Z3)
    - sentence/connector structures (Z2)
  ControlLayer:
    - time boxing
    - anti-freeze start routine
    - checklist-based checking
  Process:
    - Plan (structure)
    - Draft (output)
    - Check (clarity + errors)
    - Repair (rewrite weakest paragraph)
  Feedback:
    - error log (dominant leak tag)
  Output:
    - stable performance under timed conditions
}

5_BOX_PLAN {
  1) Setup (who/where/when)
  2) Trigger (problem begins)
  3) Rising action (attempts + obstacles)
  4) Climax (turning point)
  5) Resolution (outcome + lesson/feeling)
}

P0: cannot start; blank page; severe coherence breakdown
P1: can write with heavy help; weak structure; basic language
P2: can do well sometimes; collapses under timer/variation
P3: stable writing on time; structure holds; variation appears naturally

FM1: Freeze at start (blank page)
FM2: No plan → rambling → coherence breaks
FM3: Vocabulary collapses under time pressure (basic words)
FM4: Repetition (low variation index)
FM5: Weak verbs + weak details (flat writing)
FM6: Time overrun → rushed ending / incomplete piece

COMP_Sensors {
  StartLatency (time to first sentence)         // target < 2 min
  PlanningTime (5-box plan time)               // target 2–4 min
  FinishRate (completes on time)               // target high
  WeakestParagraphIndex (which paragraph fails)
  VariationIndex (VI) per 120 words            // trending up
  GenericVerbRate (GVR) per paragraph          // trending down
  FreezeEvents count                           // trending down
  UpgradesUsedCorrectly (UC)                   // target ≥ 8–12
}

START_ROUTINE {
  1) write 3 bullet points immediately
  2) pick first sentence template
  3) begin writing even if imperfect
}

TIME_BOXING {
  Plan: 2–4 min
  Draft: 70–80% of time
  Check: last 5–8 min
}

CHECKLIST {
  - clarity (who did what)
  - repetition (replace 2 repeats)
  - verbs (upgrade 3 verbs)
  - connector (upgrade 1 connector)
  - ending completed (no rushed finish)
}

LOOP_PLAN {
  do 5-box plan in 3 minutes
  write 1 sentence per box (skeleton)
}

LOOP_TIMED_PARAGRAPH {
  8–12 min paragraph
  forced injection: 6 upgrades
  forced connectors: 4 types
}

LOOP_REWRITE_WEAKEST {
  identify weakest paragraph
  rewrite once immediately:
    - upgrade 3 verbs
    - add 1 sensory detail
    - remove 1 repetition
    - upgrade 1 connector
}

LOOP_TRANSFER {
  Day1: timed piece
  Day2: rewrite intro or weakest paragraph again
  Day7: timed piece with same targets
}

Goal:
  - richer input + vocabulary anchors
  - basic 5-box planning habit
Weekly:
  - 2 timed paragraphs
  - 1 weakest paragraph rewrite

Goal:
  - planning speed + structure reliability
  - connector ladder + sentence templates
Weekly:
  - 1 full composition
  - 2 timed paragraphs
  - rewrite weakest paragraph every session

Goal:
  - timer stability
  - reduce freeze events
Weekly:
  - 2 full timed compositions
  - post-mortem leak tag + targeted repair loop

Goal:
  - stable Paper 1 output under variation
Weekly:
  - full Paper 1 simulation
  - correction + rewrite of weakest paragraph
  - focus on consistency (variance reduction)

COMP_VOCAB_INTEGRATION {
  Targets per piece: 8W/4C/2S
  Forced injection: ≥ 6 upgrades per timed paragraph
  Measure:
    - UC count
    - VI up
    - GVR down
  Repair:
    - rewrite weakest paragraph
}

Write more essays → repeats same vocabulary habits
→ no forced injection
→ no weakest-paragraph repair
→ timer still causes collapse
→ performance variance remains
→ marks stagnate

Writing improves when you:
  measure leaks → inject targets → rewrite weakest paragraph → re-test under load.

COMPOSITION_OS_SPEC v1.0 {
  Definition: closed-loop timed writing system
  Plan: 5-box plan (2–4 min)
  ControlLayer: start routine + time boxing + checklist
  Repairs: timed paragraphs + weakest paragraph rewrite + spaced transfer
  Sensors: start latency, finish rate, VI, GVR, UC, freeze events
  Outcome: P3 = stable on-time coherent writing under variation
}