diff --git a/harness/evalset.py b/harness/evalset.py
index a2d7d3b..8e5e06c 100644
--- a/harness/evalset.py
+++ b/harness/evalset.py
@@ -42,10 +42,13 @@ SLOTS = [
     ("H", "PROG", 2, ["missing sort order or grouping rule", "contradicting filter rules"]),
     ("H", "DDLS", 2, ["missing rule for which records count", "contradicting join or filter rule"]),
 ]
+# Replacements for G0009, G0013 (I) and G0016, G0023 (E): those were solvable without the legacy code
+# (review 2026-10-03). Same category and object type, new definition (in place).
+REGEN = [("I", "CLAS", "G0009"), ("I", "FUNC", "G0013"), ("E", "PROG", "G0016"), ("E", "CLAS", "G0023")]
 # Category K: variants of accepted tasks (free text or incomplete input + tool schema generic_v0)
-K_SOURCES = [("G0004", "free_text"), ("G0007", "incomplete"), ("G0013", "free_text"), ("G0014", "incomplete"),
+K_SOURCES = [("G0004", "free_text"), ("G0007", "incomplete"), ("G0026", "free_text"), ("G0014", "incomplete"),
              ("G0017", "free_text"), ("G0020", "incomplete"), ("G0022", "free_text"), ("G0012", "incomplete"),
-             ("G0016", "free_text"), ("G0023", "incomplete")]
+             ("G0003", "free_text"), ("G0010", "incomplete")]
 RELEASES = ["v702", "v740sp05"]
 
 
@@ -77,6 +80,10 @@ def plan():
         out.append({"id": f"G{FIRST_ID + n:04d}", "category": "K", "k_from": src, "style": style,
                     "run_base": RUN_BASE + 40 * n})
         n += 1
+    for cat, otype, old in REGEN:
+        out.append({"id": f"G{FIRST_ID + n:04d}", "category": cat, "object_type": otype, "topic": None,
+                    "replaces": old, "run_base": RUN_BASE + 40 * n})
+        n += 1
     return out
 
 
diff --git a/harness/generator.py b/harness/generator.py
index 7524827..506f144 100644
--- a/harness/generator.py
+++ b/harness/generator.py
@@ -174,6 +174,11 @@ def lint_files(b):
                 errs.append(f"{rel}: name {name} has {len(name)} characters (ABAP max 30)")
     t = b.get("task", {})
     oos = {n.upper() for n in t.get("out_of_scope", [])}
+    if t.get("category") in ("E", "I"):
+        seed_names = {o.get("name", "").upper() for o in t.get("seed", [])}
+        if not any(c.get("name", "").upper() in seed_names for c in t.get("contract", [])):
+            errs.append(f"category {t['category']}: the contract object must be the seed object that the model "
+                        "changes in place (same name in seed, contract and reference)")
     test_names = {o.get("name", "").upper() for o in t.get("hidden_tests", [])}
     for o in t.get("reference", []):
         name = o.get("name", "")
@@ -384,6 +389,7 @@ def generate(task_id, pool, object_type, category, difficulty, model, base_url,
         messages.append({"role": "assistant", "content": text})
         try:
             b = parse_bundle(text)
+            b.get("task", {}).setdefault("category", category)
             found = {"structure": check_bundle(b), "static": lint_files(b), "abaplint": abaplint_files(b)}
         except Exception as e:  # noqa: BLE001
             b, found = None, {"json": [f"invalid JSON: {e}"]}
diff --git a/harness/runner.py b/harness/runner.py
index b6252ad..3c30fab 100644
--- a/harness/runner.py
+++ b/harness/runner.py
@@ -267,12 +267,21 @@ class Runner:
                     if missing:
                         g2 = False
                         g2_detail.append(f"{c['name']}: CDS elements missing: {sorted(missing)}")
+            # Categories E and I: the contract object is a seed object (refactor or fix in place). It must
+            # change (else the null agent passes on the legacy code), and it is not out of scope.
+            contract_upper = {c["name"].upper() for c in contract}
+            for c in contract:
+                if c["name"].upper() in seed_src and c["type"] != "FUGR":
+                    now = self._source(mcp, c["type"], c["name"], c.get("functionGroup"))
+                    if _norm(now) == _norm(seed_src[c["name"].upper()]):
+                        g2 = False
+                        g2_detail.append(f"{c['name']}: the seed object is not changed")
             g["G2_contract"] = g2 and g["G1_active"]
             rep["contract_check"] = {"g1": g1, "g2": g2_detail}
             g["G4_out_of_scope"] = all(
                 _norm(self._source(mcp, o["type"], o["name"], o.get("functionGroup")))
                 == _norm(seed_src[o["name"].upper()])
-                for o in seed)
+                for o in seed if o["name"].upper() not in contract_upper)
             atc = []
             for c in contract:
                 if g["G1_active"]:
diff --git a/tasks_gen/eval/G0009/review.json b/tasks_gen/eval/G0009/review.json
index 6f4b158..3828757 100644
--- a/tasks_gen/eval/G0009/review.json
+++ b/tasks_gen/eval/G0009/review.json
@@ -1,6 +1,6 @@
 {
- "decision": "flag",
- "note": "Category I is weak: the model writes a new class from complete rules; the legacy class need not be read. Options: move to A, or change to an in-place fix of the legacy class. Survived mutant (round dec 2->3) is equivalent.",
+ "decision": "reject",
+ "note": "Solvable without the legacy code. Replaced by G0188 (in-place I/E, Kral 2026-10-03).",
  "by": "Claude",
  "date": "2026-10-03",
  "failed_checks": {
diff --git a/tasks_gen/eval/G0013/review.json b/tasks_gen/eval/G0013/review.json
index 4dc8137..512a293 100644
--- a/tasks_gen/eval/G0013/review.json
+++ b/tasks_gen/eval/G0013/review.json
@@ -1,6 +1,6 @@
 {
- "decision": "flag",
- "note": "Same as G0009: new FM from complete rules; old FM need not be read. Generator prompt for I fixed (in-place fix, spec gives only symptoms). Options: move to A, or regenerate as I.",
+ "decision": "reject",
+ "note": "Solvable without the legacy code. Replaced by G0189 (in-place I/E, Kral 2026-10-03).",
  "by": "Claude",
  "date": "2026-10-03",
  "failed_checks": {
diff --git a/tasks_gen/eval/G0016/review.json b/tasks_gen/eval/G0016/review.json
index fd2da9b..f16ecb7 100644
--- a/tasks_gen/eval/G0016/review.json
+++ b/tasks_gen/eval/G0016/review.json
@@ -1,6 +1,6 @@
 {
- "decision": "flag",
- "note": "E is weak: new program with complete rules; legacy need not be read. Generator prompt for E fixed (in-place refactor, spec without rules). Options: keep as B-like report task, or regenerate as E.",
+ "decision": "reject",
+ "note": "Solvable without the legacy code. Replaced by G0190 (in-place I/E, Kral 2026-10-03).",
  "by": "Claude",
  "date": "2026-10-03",
  "failed_checks": {
diff --git a/tasks_gen/eval/G0023/review.json b/tasks_gen/eval/G0023/review.json
index 7e85b3c..3821f74 100644
--- a/tasks_gen/eval/G0023/review.json
+++ b/tasks_gen/eval/G0023/review.json
@@ -1,6 +1,6 @@
 {
- "decision": "flag",
- "note": "E is weak: new class from complete rules; legacy need not be read. Generator prompt for E fixed. Options: move to A, or regenerate as E.",
+ "decision": "reject",
+ "note": "Solvable without the legacy code. Replaced by G0191 (in-place I/E, Kral 2026-10-03).",
  "by": "Claude",
  "date": "2026-10-03",
  "failed_checks": {