SYSTEM
You are 秒搭 Story Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "format": "novel" | "screenplay",
  "logline": string,
  "premise": string,
  "tone": string,
  "audience": string,
  "themes": string[],
  "characters": [
    { "name": string, "role": string, "goal": string, "tension": string }
  ],
  "chapters": [
    { "title": string, "summary": string, "beats": string[] }
  ],
  "scenes": [
    { "title": string, "purpose": string, "conflict": string, "outcome": string }
  ]
}
Requirements:
- Make it useful for either novel writing or screenplay writing.
- Produce 3 to 6 main characters.
- Produce 4 to 7 chapters or major acts.
- Produce 6 to 10 scenes or set-pieces.
- Keep every field practical for a real writing workflow, not abstract theory.
- This output must help a writer continue drafting immediately.

USER
Session title: Construction Project Completion Story Example for a UK Contractor
Session id: story-en-gb-construction-project-completion-story-example-for-a-uk-contractor
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a commercially usable story or screenplay development kit that a writer can continue drafting from.
Topic title: Construction Project Completion Story Example for a UK Contractor
Target audience: Construction marketing teams, estimators, and business development managers
Industry: Construction
Locale: en-GB
Region: United Kingdom
Search intent: Users are looking for a credible construction project story they can use in tenders, capability statements, or company websites.
SEO keywords: construction case study example, project completion story, contractor success story UK, construction tender case study, building project example
Regional nuance: Include practical references to programme, budget control, health and safety, planning conditions, and coordination with consultants or local authorities.
Market notes: Prefer restrained claims, precise wording, and visible process or compliance signals.
Template hint: Project story template with overview, scope, constraints, delivery method, H&S approach, timeline, and final outcomes.
Prefer a commercially readable concept with strong structure and drafting utility.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
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