Add growth state frontmatter to all 280 wiki files

TREE(74): training modules, entity profiles, 2890 references, keyword indices
SPROUT(42): knowledge pages, project docs, curated source material
SEED(164): daily notes, raw session logs, unprocessed material

Updated AUDIT_MANIFEST.json with growth classifications.

knowledge/2890-Claw.md

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 # Concepts — 2890 Claw (FRC Robotics Team)
 
 Chris coaches FRC Team 2890 (Hawk Collective) at Hickory High School. Theme: The Borg. Agent: 2890-bot.

knowledge/Fabric-growth.md

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 # Fabric Growth System — Proactive Learning
 
 ## Core Concept

knowledge/HHS-Hackers.md

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 # Concepts — HHS Hackers
 
 Hardware/software hacking collective. Chris + former students (Matt, Kyle).

knowledge/PSB.md

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 # Concepts — PSB (Post Secondary Brewing)
 
 Chris and Susan's craft brewery. Three agents: psb-thinking (planning), psb-gemma (brewhouse ops), psb-business (business side).

knowledge/keywords/2890-keywords.md

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 # 2890-Claw Keywords — Swerve/Robotics Focus
 
 ## Priority Keywords (Trigger deep research)

knowledge/keywords/play-keywords.md

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 # Play Keywords — Hobby/Personal Tech Focus
 
 ## Priority Keywords (Trigger deep research)

knowledge/keywords/psb-keywords.md

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 # PSB Keywords — Brewery/Business Focus
 
 ## Priority Keywords (Trigger deep research)

knowledge/skill-graph.md

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 # Cross-Domain Skill Map
 
 Skills that span multiple domains. These are the bridges worth surfacing.

knowledge/wiki-optimization-research.md

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 # Wiki Optimization — Team Training Environments
 
 ## The Problem With Our Current Structure