fix(ttp): expand R0054/R0055/R0057 emits + LAST_REVIEWED markers

The IntelLifter's _emit_filtered fans out only the rule.emits entries
whose technique_id appears in the predicate's decision set. v1's emits
lists were narrow supersets of the common case, silently dropping the
rest of the predicate's possible emissions:

  R0054 dropped: T1046 (cat 14), T1078 (cat 20), T1090 (cats 9/13),
                 T1496 (cat 11), T1595 (cats 14/19)
  R0055 dropped: T1090 (tor_exit_node), T1110 (ssh_bruteforcer),
                 T1588 (the second emit of every C2-framework tag)
  R0057 dropped: T1105 (payload_delivery, download_url)

Bump rule_version 1->2 on R0054/R0055/R0057, expand emits to cover
every technique the predicate produces. R0056 (Feodo) and R0058
(aggregate bump) carry no enum and stay at v1.

All five YAMLs gain `last_reviewed: "2026-05-02"` and
`next_review: "2026-08-02"` markers; the rule YAML is now the
canonical record of when the mapping was last reconciled against
upstream, with DEBT.md as the calendar reminder.

rules/ttp/R0055.yaml

@@ -1,10 +1,20 @@
 rule_id: R0055
-rule_version: 1
+rule_version: 2
+last_reviewed: "2026-05-02"
+next_review: "2026-08-02"
 name: greynoise_classification
 description: |
   GreyNoise classification + tag → ATT&CK technique per A.10.
   IntelLifter reads AttackerIntel.greynoise_classification and
-  greynoise_tags.
+  greynoise_tags. Note: the Community endpoint does not return tags;
+  the tag-driven emits become live only when an operator wires a
+  non-Community provider plan that does.
+
+  v2 (2026-05-02 ship-time audit): expanded ``emits`` to cover
+  T1090 (tor_exit_node), T1110 (ssh_bruteforcer), T1588 (C2-framework
+  tags' second emit) — v1 silently dropped all three. Bare
+  ``classification == "malicious"`` now lights T1071 at half
+  multiplier when no recognised tag fires.
 applies_to:
   - intel
 match:
@@ -18,6 +28,16 @@ emits:
   - tactic: TA0011
     technique_id: T1071
     confidence: 0.7
+  - tactic: TA0011
+    technique_id: T1090
+    confidence: 0.7
+  - tactic: TA0006
+    technique_id: T1110
+    confidence: 0.7
+  - tactic: TA0042
+    technique_id: T1588
+    confidence: 0.7
 evidence_fields:
   - greynoise_classification
   - greynoise_tags
+  - greynoise_name