meeting-assistant/openspec/changes/archive/2026-05-21-configure-summary-agent-instructions/tasks.md

1. Specification

• 1.1 Define configurable initial prompt and project instruction append behavior.

2. Implementation

• 2.1 Add Agent.InitialPrompt setting with the current prompt in appsettings.
• 2.2 Keep the current prompt as the code default when no setting is configured.
• 2.3 Build summary agent instructions by appending AGENTS.md content for bound projects.
• 2.4 Use the built instructions when creating the summary agent.

3. Validation

• 3.1 Test configurable prompt fallback and override behavior.
• 3.2 Test project AGENTS.md instruction appendix formatting.
• 3.3 Run targeted and full tests.