Mutation check done on all accepted tasks; mutant fixes; dump filter in proxy

- skip sy-subrc lines and CDS type lengths; CDS literal mutants; mutate helper classes
- proxy: sap_short_dumps shows only dumps of the current run
- 26/26 tasks pass; results in docs/faz1-tasarim.md 11g

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0025/faulty/m0_i_partner_all.ddls.asddls

@@ -0,0 +1,19 @@
+@AccessControl.authorizationCheck: #NOT_REQUIRED
+@EndUserText.label: 'All partners'
+@Metadata.ignorePropagatedAnnotations: true
+define view entity {{P}}I_PARTNER_ALL
+  as select from {{p}}part_a as a
+{
+  key a.partner_id              as partner_id,
+      a.name                    as name,
+      a.city                    as city,
+      cast('Z' as abap.char(1)) as source
+}
+union all
+select from {{p}}part_b as b
+{
+  key b.partner_id              as partner_id,
+      b.name                    as name,
+      b.city                    as city,
+      cast('B' as abap.char(1)) as source
+}

tasks_gen/eval/G0025/faulty/m1_i_partner_all.ddls.asddls

@@ -0,0 +1,19 @@
+@AccessControl.authorizationCheck: #NOT_REQUIRED
+@EndUserText.label: 'All partners'
+@Metadata.ignorePropagatedAnnotations: true
+define view entity {{P}}I_PARTNER_ALL
+  as select from {{p}}part_a as a
+{
+  key a.partner_id              as partner_id,
+      a.name                    as name,
+      a.city                    as city,
+      cast('A' as abap.char(1)) as source
+}
+union all
+select from {{p}}part_b as b
+{
+  key b.partner_id              as partner_id,
+      b.name                    as name,
+      b.city                    as city,
+      cast('Z' as abap.char(1)) as source
+}

tasks_gen/eval/G0025/mutation.json

@@ -0,0 +1,32 @@
+{
+ "task": "G0025",
+ "mutants": [
+  {
+   "object": "{{P}}I_PARTNER_ALL",
+   "mutant": "line 10: 'A' -> 'Z' (lit)",
+   "status": "killed",
+   "hidden": "4/7",
+   "failed_tests": [
+    "ONLY_IN_A",
+    "SAME_ID_TWICE",
+    "SOURCE_A_ROWS"
+   ]
+  },
+  {
+   "object": "{{P}}I_PARTNER_ALL",
+   "mutant": "line 18: 'B' -> 'Z' (lit)",
+   "status": "killed",
+   "hidden": "3/7",
+   "failed_tests": [
+    "NAME_AND_CITY",
+    "ONLY_IN_B",
+    "SAME_ID_TWICE",
+    "SOURCE_B_ROWS"
+   ]
+  }
+ ],
+ "valid": 2,
+ "killed": 2,
+ "kill_rate": 1.0,
+ "ok": true
+}