fix(tests): clear leftover test/build debt on simplify-pr421-hot-paths

Cargo.toml

@@ -388,7 +388,6 @@ tracedecay-code-extraction = { path = "crates/tracedecay-code-extraction", versi
 tracedecay-code-index = { path = "crates/tracedecay-code-index", version = "0.1.0", default-features = false }
 tracedecay-dashboard-api = { path = "crates/tracedecay-dashboard-api", version = "0.1.0" }
 tracedecay-domain = { path = "crates/tracedecay-domain", version = "0.1.0" }
-tracedecay-host-integration = { path = "crates/tracedecay-host-integration", version = "0.1.0" }
 tracedecay-hooks = { path = "crates/tracedecay-hooks", version = "0.1.0" }
 tracedecay-jsonrpc = { path = "crates/tracedecay-jsonrpc", version = "0.1.0" }
 tracedecay-lsp = { path = "crates/tracedecay-lsp", version = "0.1.0" }
@@ -436,7 +435,6 @@ crossterm = "0.28"
 fs2 = "0.4"
 same-file = "1"
 sysinfo = { version = "0.32", default-features = false, features = ["system"] }
-open = "5.3"
 # Raw filesystem watcher for the daemon git-metadata watcher (src/daemon/git_watch.rs).
 # We deliberately use the raw watcher (not notify-debouncer-full) and debounce
 # ourselves so a monorepo's git-ref churn coalesces into a single sync.
@@ -457,9 +455,6 @@ tokio-rustls = { version = "0.26", default-features = false, features = ["ring",
 flate2 = "1"
 tar = "0.4"
 
-[target.'cfg(target_os = "linux")'.dev-dependencies]
-xattr = "1"
-
 # `statfs(2)` for daemon store-locality detection (src/daemon/store_runtime/
 # resolver.rs). Linux reads `/proc/self/mountinfo` instead; macOS has no such
 # file, and `MNT_LOCAL` is the kernel's direct answer to "is this volume local".

crates/tracedecay-agent-hosts/src/hooks/mod.rs

@@ -853,7 +853,6 @@ fn take_test_daemon_hook_action(
     )
 }
 
-// Only the hook tests assert on the derived route metadata.
 pub(crate) fn hook_route_metadata_from_parsed(
     parsed: &Value,
     project_root: &Path,

crates/tracedecay-cli/Cargo.toml

@@ -116,10 +116,7 @@ url = "2"
 [dev-dependencies]
 axum = "0.8"
 dirs = "6"
-filetime = "0.2"
 fs2 = "0.4"
-jsonschema = { version = "0.46.8", default-features = false }
-regex = "1.12.3"
 tempfile = "3"
 tokio = { version = "1", features = ["full", "test-util"] }
 toml = "1"
@@ -134,5 +131,13 @@ xattr = "1"
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ["cfg(tracedecay_observation_fault_harness)"] }
 
+# `fs2` is consumed only by `tests/common/fixture.rs` (shared at the repo
+# root and pulled into this crate's integration test binaries via a
+# relative `#[path]`, not by any file under this crate's own directory
+# tree), so cargo-shear's per-crate scan cannot see the use and reports a
+# false positive.
+[package.metadata.cargo-shear]
+ignored = ["fs2"]
+
 [build-dependencies]
 logo-art = "0.2"

crates/tracedecay-search-eval/Cargo.toml

@@ -50,5 +50,4 @@ tracedecay-search-eval = { path = ".", features = ["evaluator-corpus-languages"]
 # The self dev-dependency enables corpus language tiers for this crate's own
 # tests; assets/ holds checked-in eval fixture corpora, not crate sources.
 [package.metadata.cargo-shear]
-ignored = ["tracedecay-search-eval"]
 ignored-paths = ["assets/**"]