Add automated first-pass issue triage skill and daemon

[springfall2008]

Summary

• Adds .claude/skills/issue-triage/SKILL.md: a Claude Code skill that investigates a newly opened issue against current main (reads the relevant source, checks git log/git blame for recent related changes, fetches any attached log file / predbat_debug.yaml, and runs a single targeted test via ./run_all --test <name> when the issue clearly maps to one), then classifies it, applies labels, sets priority (priority_low/priority_medium/priority_high — the latter two are new labels added in this PR), and posts one triage comment disclosed as automated.
• Adds tools/triage_daemon.py: polls gh issue list every 5 minutes, and for each new issue syncs a dedicated local clone to origin/main and runs the skill via a headless claude -p invocation, scoped with --allowedTools/--disallowedTools to git/gh/tests/file-edits-within-that-clone only, no MCP tools, --max-turns/--max-budget-usd caps.
• The daemon intentionally runs against its own dedicated clone (not a contributor's working copy), so the automated git reset --hard origin/main before each run never touches in-progress work.

Guardrails baked into the skill: analysis only (no commits/pushes/PRs from the bot itself), never removes a human-applied label, never closes an issue except a confident duplicate, never runs the full test suite.

Test plan

• Run /issue-triage <number> manually against a real issue in an interactive session to sanity-check the output before relying on the daemon
• Deploy tools/triage_daemon.py on a always-on machine (not a laptop that sleeps), seed state.json with the current max issue number first so it doesn't process the existing backlog
• Confirm priority_high / priority_medium labels render as expected alongside existing priority_low

🤖 Generated with Claude Code

[Copilot]

🟡 Changes recommended

The daemon currently can silently mark issues as processed even when triage fails and has tool-allowlist/state-file reliability gaps that can cause missed or broken triage runs.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

Adds an automated, first-pass GitHub issue triage workflow for Predbat, consisting of a Claude Code skill definition plus a polling daemon that runs the skill in a dedicated origin/main clone.

Changes:

• Introduces an issue-triage Claude Code skill that guides consistent investigation, labeling, prioritization, and posting a single automated triage comment.
• Adds a tools/triage_daemon.py script that polls for new issues, hard-resets a dedicated clone to origin/main, and invokes claude -p /issue-triage <n> with tool allow/deny lists and budget/turn caps.

File summaries

File	Description
tools/triage_daemon.py	New polling daemon to sync a dedicated clone and run the triage skill for newly opened issues.
.claude/skills/issue-triage/SKILL.md	New Claude Code skill definition describing the triage procedure, guardrails, labeling, and priority rules.

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 6
• Review effort level: Lite

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