chore: remove orphaned daemon transitions module

[detail-app]

Removes fusillade/src/daemon/transitions.rs (380 lines), an orphaned file
that was never part of the crate's module tree: daemon/mod.rs declares no
mod transitions; (only adaptive_concurrency, config, memory_gate,
and inline tests), there is no #[path=...] redirect, and no use or
pub use references it. Its use super::types::{...} import wouldn't even
resolve if attached.

It was a stale byte-for-byte duplicate of the live implementation in
fusillade-core/src/daemon_record/transitions.rs, left behind when the
daemon lifecycle types moved to fusillade-core. The production call sites
in daemon/mod.rs:2879/2942/2974 resolve to the fusillade-core types
re-exported at daemon/mod.rs:37-40, not to this file.

The substantive state-transition logic (the start/heartbeat/shutdown
impl blocks, lines 7-65) is identical between this file and the live
fusillade-core copy; the only delta was incidental test-only mock stubs
(purge_orphaned_rows, purge_model_filter_events) added to satisfy an
evolved DaemonStorage trait.

Verification: cargo check --workspace --all-features passes; the 85
daemon:: lib tests pass.

History

• Last materially changed November 2025 (feat: daemon status tracking #96 @fergusfinn)

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