diff --git a/crates/tracedecay-automation-runtime/src/automation/artifact_payloads.rs b/crates/tracedecay-automation-runtime/src/automation/artifact_payloads.rs
index 3c88c1960a..88427c31df 100644
--- a/crates/tracedecay-automation-runtime/src/automation/artifact_payloads.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/artifact_payloads.rs
@@ -63,6 +63,7 @@ pub(super) struct ArtifactRefs {
     pub(super) optimizer_diagnosis: Value,
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_traces")]
 pub(super) fn traces_payload(ctx: &ArtifactPayloadContext<'_>) -> Value {
     let curation_result = (ctx.task == AgentTaskKind::MemoryCurator)
         .then(|| curation::memory_curation_trace_summary(ctx.record));
@@ -118,6 +119,7 @@ fn session_reflection_summary(record: &AutomationRunLedgerRecord) -> Value {
     })
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_feedback")]
 pub(super) fn feedback_payload(ctx: &ArtifactPayloadContext<'_>, trace_ref: &Value) -> Value {
     json!({
         "schema_version": 1,
@@ -140,6 +142,7 @@ pub(super) fn feedback_payload(ctx: &ArtifactPayloadContext<'_>, trace_ref: &Val
     })
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.derive_generated_evals")]
 pub(super) fn generated_eval_payloads(ctx: &ArtifactPayloadContext<'_>) -> GeneratedEvalPayloads {
     let definitions = generated_eval_definitions(ctx.record, ctx.task, ctx.policy);
     let count = definitions.len();
@@ -155,6 +158,7 @@ pub(super) fn generated_eval_payloads(ctx: &ArtifactPayloadContext<'_>) -> Gener
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_generated_evals")]
 pub(super) fn generated_evals_payload(
     ctx: &ArtifactPayloadContext<'_>,
     refs: (&Value, &Value),
@@ -224,6 +228,7 @@ pub(super) fn improvement_gate_payload(
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_validation_gate")]
 pub(super) fn validation_gate_payload(
     ctx: &ArtifactPayloadContext<'_>,
     refs: (&Value, &Value, &Value),
@@ -288,6 +293,7 @@ pub(super) fn validation_gate_payload(
     })
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_optimizer_diagnosis")]
 pub(super) fn optimizer_diagnosis_payload(
     ctx: &ArtifactPayloadContext<'_>,
     refs: (&Value, &Value, &Value, &Value),
@@ -334,6 +340,7 @@ pub(super) fn optimizer_diagnosis_payload(
     })
 }
 
+#[hotpath::measure(label = "automation_runtime.artifact_payloads.build_codex_handoff")]
 pub(super) fn codex_handoff_payload(
     ctx: &ArtifactPayloadContext<'_>,
     refs: &ArtifactRefs,
diff --git a/crates/tracedecay-automation-runtime/src/automation/artifacts.rs b/crates/tracedecay-automation-runtime/src/automation/artifacts.rs
index 56a4bbb1e7..2c1fd53b12 100644
--- a/crates/tracedecay-automation-runtime/src/automation/artifacts.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/artifacts.rs
@@ -40,6 +40,7 @@ impl<'a> ImprovementArtifactWriter<'a> {
         }
     }
 
+    #[hotpath::measure(label = "automation_runtime.artifacts.prepare_artifact", future = true)]
     async fn write(
         &mut self,
         kind: AutomationRunArtifactKind,
@@ -61,6 +62,10 @@ impl<'a> ImprovementArtifactWriter<'a> {
     }
 }
 
+#[hotpath::measure(
+    label = "automation_runtime.artifacts.write_improvement_chain",
+    future = true
+)]
 pub(crate) async fn write_improvement_artifacts(
     dashboard_root: &Path,
     run_id: &str,
diff --git a/crates/tracedecay-automation-runtime/src/automation/backend_identity.rs b/crates/tracedecay-automation-runtime/src/automation/backend_identity.rs
index ac372caaac..5e1e05437e 100644
--- a/crates/tracedecay-automation-runtime/src/automation/backend_identity.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/backend_identity.rs
@@ -94,6 +94,7 @@ fn executable_digest_cache() -> &'static Mutex<HashMap<ExecutableDigestCacheKey,
 /// port itself honours, so the identity tracks the binary that would actually
 /// be spawned rather than a nominal default. Envelope hashing stays
 /// [`canonical_sha256`]; hasher failures are `config_error` results.
+#[hotpath::measure(label = "automation_runtime.backend_identity.derive")]
 pub fn backend_identity(config: &AutomationConfig) -> Result<String> {
     // `canonical_sha256` is the crate's one identity primitive: key-ordered,
     // whitespace-free, and already used to derive the configuration identity
@@ -129,6 +130,7 @@ fn backend_executable_identity(config: &AutomationConfig) -> Option<Value> {
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.backend_identity.resolve_executable")]
 fn codex_executable_identity(spec: &str) -> Value {
     match locate_backend_executable(spec) {
         Ok(Some(path)) => opened_executable_identity(spec, &path)
@@ -246,6 +248,7 @@ fn opened_file_revision(_file: &File, _metadata: &Metadata) -> Option<OpenedFile
     None
 }
 
+#[hotpath::measure(label = "automation_runtime.backend_identity.digest_executable")]
 fn cached_executable_content_digest(
     revision: &OpenedFileRevision,
     path: &Path,
diff --git a/crates/tracedecay-automation-runtime/src/automation/effect_runtime/journal.rs b/crates/tracedecay-automation-runtime/src/automation/effect_runtime/journal.rs
index 1abe1750a7..371f5e1f6f 100644
--- a/crates/tracedecay-automation-runtime/src/automation/effect_runtime/journal.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/effect_runtime/journal.rs
@@ -397,6 +397,7 @@ fn reservation_claim_is_live(path: &Path) -> bool {
         .is_some()
 }
 
+#[hotpath::measure(label = "automation_runtime.effect_journal.read_source_bindings")]
 pub fn retained_source_bindings(
     path: &Path,
 ) -> Result<(Option<RetirementBinding>, Option<String>)> {
@@ -504,10 +505,12 @@ fn reserve_or_replay_with_index_and_writer(
 }
 }
 
+#[hotpath::measure(label = "automation_runtime.effect_journal.read_record")]
 pub fn read_indexed_record_blocking(path: &Path) -> Result<Option<DurableAutomationRecord>> {
     with_journal_lock(path, || read_stabilized_record(path))
 }
 
+#[hotpath::measure(label = "automation_runtime.effect_journal.read_terminal")]
 pub fn read_indexed_terminal_blocking(path: &Path) -> Result<Option<AutomationSettledTerminal>> {
     with_journal_lock(path, || {
         let Some(record) = read_stabilized_record(path)? else {
@@ -544,6 +547,7 @@ impl DurableSettlementClassification {
 }
 
 /// Revalidates the exact intended settlement without changing journal state.
+#[hotpath::measure(label = "automation_runtime.effect_journal.classify_settlement")]
 pub fn classify_durable_settlement_blocking(
     path: &Path,
     requested: &DurableAutomationAdmission,
@@ -620,6 +624,7 @@ fn classify_durable_settlement_with_stabilizer(
 /// order used by binding and makes the state check atomic with subsequent
 /// cleanup: a writer cannot stage and bind `Prepared` between this check and
 /// deletion.
+#[hotpath::measure(label = "automation_runtime.effect_journal.check_unbound_cleanup")]
 pub fn unbound_reserved_cleanup_is_safe_blocking(
     path: &Path,
     expected: &DurableAutomationAdmission,
@@ -774,6 +779,7 @@ pub fn persist_prepared_terminal_blocking(
 /// matching `Prepared` (or already promoted `Terminal`) proves the binding was
 /// durable despite the surfaced I/O/readback error; `Reserved` proves no
 /// journal binding and leaves the spool for recovery cleanup.
+#[hotpath::measure(label = "automation_runtime.effect_journal.replay_exact_binding")]
 pub fn replay_exact_binding_after_error_blocking(
     path: &Path,
     requested: &DurableAutomationAdmission,
diff --git a/crates/tracedecay-automation-runtime/src/automation/run_ledger.rs b/crates/tracedecay-automation-runtime/src/automation/run_ledger.rs
index 0eb3e04678..844e82f974 100644
--- a/crates/tracedecay-automation-runtime/src/automation/run_ledger.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/run_ledger.rs
@@ -355,6 +355,7 @@ pub async fn append_run_record(
     Ok(())
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.append_locked")]
 fn append_jsonl_line_locked(path: &Path, line: &str) -> std::io::Result<()> {
     use std::io::Write;
 
@@ -895,6 +896,7 @@ impl AutomationRunLedgerTaskSummary {
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.load_page", future = true)]
 pub async fn load_run_records_page(
     dashboard_root: &Path,
     limit: usize,
@@ -908,6 +910,7 @@ pub async fn load_run_records_page(
     .map_err(|e| config_error(format!("failed to join automation run ledger read: {e}")))?
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.load_for_task_key", future = true)]
 pub async fn load_run_records_for_task_key(
     dashboard_root: &Path,
     requested_task_key: &str,
@@ -1261,6 +1264,7 @@ fn is_session_evidence_budget_exhausted_skip(
     status == AutomationRunStatus::Skipped && session_evidence_budget_exhausted_error
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.scan_task_summary")]
 fn read_run_ledger_task_summary(
     path: &Path,
     task: AgentTaskKind,
@@ -1479,6 +1483,7 @@ fn decode_task_summary(
     Ok(summary)
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.scan_page")]
 fn read_any_run_records_page(
     file: &std::fs::File,
     path: &Path,
@@ -1531,6 +1536,7 @@ struct FilteredRunSelection {
     effective_task_key: String,
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.scan_filtered")]
 fn read_filtered_run_records_two_pass(
     file: &std::fs::File,
     path: &Path,
diff --git a/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_lookup.rs b/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_lookup.rs
index 6aca9bf4a3..597c4dcdad 100644
--- a/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_lookup.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_lookup.rs
@@ -354,6 +354,7 @@ pub(super) fn read_exact_run_digest(path: &Path, run_id: &str) -> Result<Option<
     read_exact_run_match(&file, path, run_id).map(|found| found.map(|found| found.digest))
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.read_exact_identity")]
 pub(super) fn read_exact_run_identity_from_file(
     file: &std::fs::File,
     path: &Path,
diff --git a/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_publication.rs b/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_publication.rs
index 252e89c836..c7ac7606f4 100644
--- a/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_publication.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/run_ledger/exact_publication.rs
@@ -222,6 +222,7 @@ pub enum ExactRunUnboundDiscardOutcome {
 /// Stages the canonical JSON row by borrowing the runner-owned record. The
 /// record is streamed twice (digest, then durable file) but is never cloned or
 /// collected into a payload-sized buffer.
+#[hotpath::measure(label = "automation_runtime.run_ledger.bind_exact")]
 pub fn bind_staged_run_record_exact<T>(
     dashboard_root: &Path,
     record: &AutomationRunLedgerRecord,
@@ -410,6 +411,7 @@ pub async fn discard_staged_run_record_exact(
 /// The validator runs under the spool lock. It may acquire the journal lock,
 /// establishing the same `spool -> journal` order as exact binding. Returning
 /// `false` retains every candidate and lets the caller resnapshot newer state.
+#[hotpath::measure(label = "automation_runtime.run_ledger.discard_unbound", future = true)]
 pub async fn discard_unbound_staged_run_records_if<F>(
     dashboard_root: &Path,
     run_id: &str,
@@ -438,6 +440,7 @@ where
     })?
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.publish_exact_blocking")]
 pub fn publish_staged_run_record_exact_blocking(
     dashboard_root: &Path,
     run_id: &str,
@@ -483,6 +486,7 @@ fn publish_staged_run_record_exact_blocking_with_publisher(
 /// Repairs only a corrupt exact-append intent whose ledger state has one
 /// independently provable outcome. Valid intents remain owned by their exact
 /// publication and are not resolved without that journal binding.
+#[hotpath::measure(label = "automation_runtime.run_ledger.repair_append_intent")]
 pub fn repair_corrupt_run_ledger_append_intent_blocking(dashboard_root: &Path) -> Result<()> {
     repair_corrupt_run_ledger_append_intent_impl(
         dashboard_root,
@@ -539,6 +543,7 @@ fn repair_corrupt_run_ledger_append_intent_impl(
 
 /// Blocking form of [`discard_staged_run_record_exact`] for owners that must
 /// retain a claim across process-blocking durability work.
+#[hotpath::measure(label = "automation_runtime.run_ledger.discard_exact")]
 pub fn discard_staged_run_record_exact_blocking(
     dashboard_root: &Path,
     run_id: &str,
@@ -593,6 +598,7 @@ where
     })?
 }
 
+#[hotpath::measure(label = "automation_runtime.run_ledger.discard_stale_exact")]
 fn discard_stale_staged_run_record_exact_after_terminal_blocking<F>(
     dashboard_root: &Path,
     run_id: &str,
diff --git a/crates/tracedecay-automation-runtime/src/automation/runner/retrieval.rs b/crates/tracedecay-automation-runtime/src/automation/runner/retrieval.rs
index 952c4ceb37..bbae64e923 100644
--- a/crates/tracedecay-automation-runtime/src/automation/runner/retrieval.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/runner/retrieval.rs
@@ -189,6 +189,7 @@ impl SessionScopeAuthorizer for ProductionAutomationSessionAuthorizer {
 }
 
 impl ProductionAutomationSessionRetrieval {
+    #[hotpath::measure(label = "automation_runtime.retrieval.mint_request_context")]
     fn request_context(
         &self,
         provider: Option<&str>,
@@ -341,6 +342,10 @@ fn automation_session_policy_digest() -> Option<PolicyDigest> {
     PolicyDigest::from_access_policy_digest(&digest).ok()
 }
 
+#[hotpath::measure(
+    label = "automation_runtime.retrieval.retrieve_session_evidence",
+    future = true
+)]
 pub(super) async fn retrieve_automation_session_evidence(
     retrieval: &dyn AutomationSessionRetrieval,
     query_text: &str,
@@ -398,6 +403,7 @@ pub(super) async fn retrieve_automation_session_evidence(
     Ok(retrieval.retrieve(temporal_query).await)
 }
 
+#[hotpath::measure(label = "automation_runtime.retrieval.accept_outcome")]
 pub(super) fn accept_automation_temporal_outcome(
     outcome: SessionRetrievalOutcome<TemporalKernelResult>,
 ) -> AutomationTemporalRetrieval {
@@ -586,6 +592,7 @@ fn registered_scope_matches(
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.retrieval.resolve_anchor", future = true)]
 async fn active_registered_automation_anchor(database: &RegisteredGlobalDb) -> Option<SessionId> {
     let snapshot = database.read_snapshot().await.ok()?;
     let mut rows = snapshot
@@ -661,6 +668,10 @@ fn profile_automation_identity(
     ))
 }
 
+#[hotpath::measure(
+    label = "automation_runtime.retrieval.bind_project_authority",
+    future = true
+)]
 pub async fn registered_project_automation_retrieval(
     database: RegisteredGlobalDbLeaseV1,
     profile_identity: &dyn ProfileIdentityReadPort,
diff --git a/crates/tracedecay-automation-runtime/src/automation/scheduler.rs b/crates/tracedecay-automation-runtime/src/automation/scheduler.rs
index d4ec72b0ab..8768a646c1 100644
--- a/crates/tracedecay-automation-runtime/src/automation/scheduler.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/scheduler.rs
@@ -344,6 +344,7 @@ pub fn schedule_decision(
     schedule_decision_or_history_denial(config, task, records, activity, now_secs, true)
 }
 
+#[hotpath::measure(label = "automation_runtime.scheduler.decide_host_receipt")]
 pub fn host_receipt_decision(
     config: &AutomationConfig,
     task: AgentTaskKind,
@@ -814,6 +815,7 @@ fn new_automation_task_lock_token() -> Result<String> {
     Ok(hex::encode(random))
 }
 
+#[hotpath::measure(label = "automation_runtime.scheduler.acquire_task_lock")]
 fn try_acquire_task_lock_blocking(
     path: &Path,
     ownership_token: &str,
@@ -1157,6 +1159,7 @@ impl AutomationTaskLock {
     }
 }
 
+#[hotpath::measure(label = "automation_runtime.scheduler.release_task_lock")]
 fn remove_owned_task_lock_blocking(path: &Path, ownership_token: &str) -> std::io::Result<()> {
     let _coordination = acquire_task_lock_coordination(path)?;
     let Some(snapshot) = read_task_lock_snapshot(path)? else {
diff --git a/crates/tracedecay-automation-runtime/src/automation/skill_materialization.rs b/crates/tracedecay-automation-runtime/src/automation/skill_materialization.rs
index eb97b0f96a..3bd8b1c40c 100644
--- a/crates/tracedecay-automation-runtime/src/automation/skill_materialization.rs
+++ b/crates/tracedecay-automation-runtime/src/automation/skill_materialization.rs
@@ -305,6 +305,7 @@ fn is_reserved_support_path(relative: &Path) -> bool {
 /// file under `dir` except `SKILL.md`, the manifest/pending sidecars, and
 /// `*.new` staging), returned sorted by relative path to mirror the ordering
 /// [`ManagedSkill::materialized_package_hash`] hashes support files in.
+#[hotpath::measure(label = "automation_runtime.skill_materialization.scan_support_files")]
 fn collect_on_disk_support_files(dir: &Path) -> Result<Vec<(PathBuf, Vec<u8>)>> {
     fn walk(base: &Path, dir: &Path, out: &mut Vec<(PathBuf, Vec<u8>)>) -> Result<()> {
         let entries = match fs::read_dir(dir) {
@@ -347,6 +348,7 @@ fn collect_on_disk_support_files(dir: &Path) -> Result<Vec<(PathBuf, Vec<u8>)>>
 /// does, and — when the result matches the recorded hash — returns a re-derived
 /// manifest proving the package is pristine (safe to treat as owned). Returns
 /// `Ok(None)` when the file is missing, has no content-hash, or has drifted.
+#[hotpath::measure(label = "automation_runtime.skill_materialization.recompute_package")]
 fn recompute_on_disk_package(
     dir: &Path,
     provenance: &FileProvenance,
@@ -1468,6 +1470,7 @@ fn skills_for_scope(skills: &[ManagedSkill], scope: &MaterializationScope) -> Ve
 /// and `project_root` (project): a scope is eligible when its host config
 /// directory (`.claude` / `.codex`) is present, so we never create a host
 /// integration the user has not opted into.
+#[hotpath::measure(label = "automation_runtime.skill_materialization.detect_scopes")]
 pub fn detect_scopes(home: &Path, project_root: &Path) -> Vec<MaterializationScope> {
     let mut scopes = Vec::new();
     for host in MaterializationHost::all() {