bugfix: max_tokens hardcoded

tests/test_llm_max_tokens_configuration.py

@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+import os
+import sys
+from pathlib import Path
+from types import SimpleNamespace
+
+import yaml
+
+ROOT = Path(__file__).resolve().parents[1]
+LIB = ROOT / "libs" / "agent_framework" / "src"
+if str(LIB) not in sys.path:
+    sys.path.insert(0, str(LIB))
+
+from agent_framework.llm.profile_resolver import LLMProfileResolver
+
+
+def _settings(path: Path):
+    return SimpleNamespace(
+        LLM_PROFILES_PATH=str(path),
+        LLM_PROVIDER="oci_openai",
+        OCI_GENAI_MODEL="openai.gpt-4.1",
+        LLM_TEMPERATURE=0.2,
+        LLM_MAX_TOKENS=2048,
+        LLM_TIMEOUT_SECONDS=120,
+        OCI_GENAI_BASE_URL="",
+        OCI_GENAI_API_KEY=None,
+        OCI_GENAI_PROJECT_OCID=None,
+        OCI_AUTH_MODE="config_file",
+        OCI_GENAI_ENDPOINT=None,
+        OCI_REGION="",
+        model_fields_set=set(),
+    )
+
+
+def test_profile_max_tokens_wins_over_env_and_legacy_fallback(tmp_path, monkeypatch):
+    profile = tmp_path / "llm_profiles.yaml"
+    profile.write_text(
+        "profiles:\n"
+        "  default:\n"
+        "    provider: oci_openai\n"
+        "  router:\n"
+        "    max_tokens: 768\n",
+        encoding="utf-8",
+    )
+    monkeypatch.setenv("LLM_MAX_TOKENS", "999")
+    resolver = LLMProfileResolver.from_settings(_settings(profile))
+    assert resolver.resolve_configured_value(
+        "router", "max_tokens", env_var="LLM_MAX_TOKENS", fallback=512
+    ) == 768
+
+
+def test_env_max_tokens_wins_when_profiles_file_is_absent(tmp_path, monkeypatch):
+    missing = tmp_path / "missing.yaml"
+    monkeypatch.setenv("LLM_MAX_TOKENS", "901")
+    resolver = LLMProfileResolver.from_settings(_settings(missing))
+    assert resolver.resolve_configured_value(
+        "router", "max_tokens", env_var="LLM_MAX_TOKENS", fallback=512
+    ) == 901
+
+
+def test_legacy_fallback_is_kept_when_yaml_and_env_are_absent(tmp_path, monkeypatch):
+    missing = tmp_path / "missing.yaml"
+    monkeypatch.delenv("LLM_MAX_TOKENS", raising=False)
+    resolver = LLMProfileResolver.from_settings(_settings(missing))
+    assert resolver.resolve_configured_value(
+        "router", "max_tokens", env_var="LLM_MAX_TOKENS", fallback=512
+    ) == 512
+
+
+def test_canonical_profiles_keep_existing_budgets_and_router_uses_largest_value():
+    profile_path = ROOT / "libs" / "agent_framework" / "config" / "llm_profiles.yaml"
+    profiles = yaml.safe_load(profile_path.read_text(encoding="utf-8"))["profiles"]
+    assert profiles["router"]["max_tokens"] == 768
+    assert profiles["processing_interruption_classifier"]["max_tokens"] == 8
+    assert profiles["mcp_parameter_extraction"]["max_tokens"] == 80
+    assert profiles["guardrail"]["max_tokens"] == 600
+    assert profiles["rag_rewriter"]["max_tokens"] == 300
+    assert profiles["rag_compressor"]["max_tokens"] == 1200
+    assert profiles["summary_memory"]["max_tokens"] == 1200
+
+
+def test_inference_points_use_fallback_max_tokens_instead_of_direct_max_tokens():
+    checks = {
+        "libs/agent_framework/src/agent_framework/routing/enterprise_router.py": [256, 512, 768],
+        "libs/agent_framework/src/agent_framework/runtime/agent_runtime.py": [80],
+        "libs/agent_framework/src/agent_framework/channels/interruption.py": [8],
+        "libs/agent_framework/src/agent_framework/guardrails/llm_rails.py": [600],
+        "libs/agent_framework/src/agent_framework/rag/rag_service.py": [300],
+    }
+    for relative, values in checks.items():
+        text = (ROOT / relative).read_text(encoding="utf-8")
+        for value in values:
+            assert f"fallback_max_tokens={value}" in text
+            assert f"max_tokens={value}," not in text.replace(f"fallback_max_tokens={value},", "")