prettier-hook.sh - Format Helper Flow

            flowchart TD
                Start([Start]) --> Wrapper["Ensure Bash / win-bash-wrapper"]
                Wrapper --> Args{Files provided?}
                Args -->|no| Usage([Show usage + exit 2])
                Args -->|yes| Local{Local Prettier in node_modules?}
                Local -->|yes| RunLocal["prettier --write files"]
                Local -->|no| Node{node + package.json available?}
                Node -->|yes| NpmCi["npm ci (retry)"]
                Node -->|no| Npx
                NpmCi --> Local2{Local Prettier now present?}
                Local2 -->|yes| RunLocal2["prettier --write files"]
                Local2 -->|no| Npx["npx --yes prettier --write (retry)"]
                RunLocal --> Done([Exit 0])
                RunLocal2 --> Done
                Npx --> Done

                classDef action fill:#ecfeff,stroke:#06b6d4
                classDef decision fill:#fef3c7,stroke:#f59e0b
                classDef success fill:#d1fae5,stroke:#10b981
                classDef error fill:#fee2e2,stroke:#ef4444
                class Wrapper,RunLocal,RunLocal2,NpmCi,Npx action
                class Args,Local,Node,Local2 decision
                class Usage error
                class Done success
        

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