chore: fix 7 clippy warnings

[adolago]

Summary

7 minor clippy warnings remain, all auto-fixable:

• Unused import in src/modules/get_url.rs:33
• Unused import in src/cli/commands/provision.rs:8
• Unnecessary map_or in src/template.rs:346
• Redundant closure in src/cli/commands/run.rs:1465
• Redundant closure in src/cli/commands/run.rs:1531
• Iterator::last inefficiency in src/cli/commands/state.rs:997
• Additional minor warning in bin context

Fix

cargo clippy --fix --allow-dirty

Priority

Low — cosmetic, non-blocking