Line 54: Starting MCP client for github with command: docker and args: run -i --rm -e GITHUB_PERSONAL_ACCESS_TOKEN -e GITHUB_READ_ONLY=1 -e GITHUB_LOCKDOWN_MODE=0 -e GITHUB_TOOLSETS=context,repos,issues,pull_requests ghcr.io/github/github-mcp-server:v0.26.3 (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.453Z [ERROR] Starting MCP client for github with command: docker and args: run -i --rm -e GITHUB_PER...)

Line 50: Starting MCP client for github with (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.453Z [ERROR] Starting MCP client for github with)

Line 41: .claude/agents/playwright-test-planner.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/playwright-test-planner.md: custom agent markdown frontmatter is malform...)

Line 36: .claude/agents/playwright-test-healer.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/playwright-test-healer.md: custom agent markdown frontmatter is malforme...)

Line 31: .claude/agents/playwright-test-generator.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/playwright-test-generator.md: custom agent markdown frontmatter is malfo...)

Line 26: .claude/agents/docs-update-writer.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/docs-update-writer.md: custom agent markdown frontmatter is malformed: f...)

Line 21: .claude/agents/docs-update-reviewer.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/docs-update-reviewer.md: custom agent markdown frontmatter is malformed:...)

Line 16: .claude/agents/docs-update-planner.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/docs-update-planner.md: custom agent markdown frontmatter is malformed: ...)

Line 11: .claude/agents/docs-screenshot-capturer.md: custom agent markdown frontmatter is malformed: failed to parse YAML frontmatter: Nested mappings are not allowed in compact mappings at line 2, column 14: (Pattern: Copilot CLI timestamped ERROR messages, Raw log: 2026-02-27T00:47:23.442Z [ERROR] .claude/agents/docs-screenshot-capturer.md: custom agent markdown frontmatter is malfor...)

Line 78: spawn gt ENOENT (Pattern: Generic ERROR messages, Raw log: 2026-02-27T00:47:23.493Z [ERROR] Failed to start MCP client for graphite: Error: spawn gt ENOENT)