fix(ci): resolve lint error and sync embedded formulas

[julianknutsen]

Summary

Fix two CI failures that have been breaking main for ~3 weeks.

Related Issue

No specific issue — all CI runs on main since Jan 19 have been failing.

Changes

• Fix gosec G115 lint error in internal/polecat/namepool.go:381: Converted hash (uint32) to int instead of converting len(themes) (int) to uint32, avoiding the integer overflow conversion that gosec flags.
• Regenerate embedded formulas: Ran go generate ./internal/formula/... to sync mol-deacon-patrol.formula.toml with its source in .beads/formulas/. The source had updated the costs-digest step but the embedded copy was stale.

Testing

• Unit tests pass (go test ./...)
• golangci-lint run ./... passes with 0 issues
• go generate ./internal/formula/... produces no further diff (formulas stable)
• go build ./cmd/gt succeeds

Checklist

• Code follows project style
• Documentation updated (if applicable)
• No breaking changes (or documented in summary)

🤖 Generated with Claude Code

[github-actions]

Code Coverage Report

Overall Coverage: 20.3%

Package	Coverage
cmd/gt	0.0%
internal/activity	100.0%
internal/agent	86.7%
internal/beads	27.2%
internal/boot	0.0%
internal/checkpoint	94.6%
internal/claude	0.0%
internal/cmd	9.6%
internal/config	68.2%
internal/connection	21.5%
internal/constants	0.0%
internal/crew	34.6%
internal/daemon	9.4%
internal/deacon	31.4%
internal/deps	39.6%
internal/dog	0.8%
internal/events	0.0%
internal/feed	67.3%
internal/formula	68.2%
internal/git	29.2%
internal/keepalive	60.7%
internal/lock	84.4%
internal/mail	36.0%
internal/mayor	0.0%
internal/mq	100.0%
internal/opencode	76.9%
internal/plugin	37.9%
internal/polecat	32.8%
internal/protocol	81.4%
internal/refinery	17.4%
internal/rig	41.6%
internal/runtime	82.9%
internal/session	76.6%
internal/shell	61.8%
internal/state	67.6%
internal/style	2.0%
internal/suggest	97.1%
internal/swarm	13.8%
internal/templates	31.0%
internal/tmux	34.0%
internal/townlog	46.9%
internal/tui/convoy	0.0%
internal/tui/feed	0.0%
internal/ui	13.5%
internal/util	47.1%
internal/version	0.0%
internal/web	26.4%
internal/wisp	80.7%
internal/witness	19.1%
internal/workspace	45.8%
internal/wrappers	0.0%

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Generated by CI