fix: update model and fallback models in PR agent configuration

[kazeburo]

PR Type

Enhancement

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Description

• Add monitoring-forge/flagrun to synchronized repositories.

• Use GPT-5.6 Terra with Luna fallback.

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Diagram Walkthrough

flowchart LR
  Sync["File synchronization configuration"]
  Flagrun["monitoring-forge/flagrun"]
  Agent["PR agent workflow"]
  Terra["GPT-5.6 Terra primary model"]
  Luna["GPT-5.6 Luna fallback model"]
  Sync -- "includes" --> Flagrun
  Agent -- "uses" --> Terra
  Terra -- "falls back to" --> Luna

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File Walkthrough

Relevant files

Configuration changes

files-sync-config.yaml Add Flagrun to synchronized repository list                            .github/files-sync-config.yaml Add monitoring-forge/flagrun to the repository synchronization pattern. +1/-0      pr-agent.yml Update PR agent primary and fallback models                            .github/workflows/pr-agent.yml Set openrouter/openai/gpt-5.6-terra as the primary PR agent model. Use openrouter/openai/gpt-5.6-luna as the fallback model. +2/-2

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