Improve obs model name matching, latency metrics, and error reporting (#900)

cli/test/test_obs_pricing.py

@@ -83,6 +83,49 @@ def test_parse_do_catalog_treats_small_values_as_per_token():
     assert prices["openai-gpt-oss-120b"].input_per_token_usd == 1e-7
 
 
+def test_anthropic_aliases_match_plano_emitted_names():
+    """DO publishes 'anthropic-claude-opus-4.7' and 'anthropic-claude-haiku-4.5';
+    Plano emits 'claude-opus-4-7' and 'claude-haiku-4-5-20251001'. Aliases
+    registered at parse time should bridge the gap."""
+    from planoai.obs.pricing import _parse_do_pricing
+
+    sample = {
+        "data": [
+            {
+                "model_id": "anthropic-claude-opus-4.7",
+                "pricing": {
+                    "input_price_per_million": 15.0,
+                    "output_price_per_million": 75.0,
+                },
+            },
+            {
+                "model_id": "anthropic-claude-haiku-4.5",
+                "pricing": {
+                    "input_price_per_million": 1.0,
+                    "output_price_per_million": 5.0,
+                },
+            },
+            {
+                "model_id": "anthropic-claude-4.6-sonnet",
+                "pricing": {
+                    "input_price_per_million": 3.0,
+                    "output_price_per_million": 15.0,
+                },
+            },
+        ]
+    }
+    catalog = PricingCatalog(_parse_do_pricing(sample))
+    # Family-last shapes Plano emits.
+    assert catalog.price_for("claude-opus-4-7") is not None
+    assert catalog.price_for("claude-haiku-4-5") is not None
+    # Date-suffixed name (Anthropic API style).
+    assert catalog.price_for("claude-haiku-4-5-20251001") is not None
+    # Word-order swap: DO has 'claude-4.6-sonnet', Plano emits 'claude-sonnet-4-6'.
+    assert catalog.price_for("claude-sonnet-4-6") is not None
+    # Original DO ids still resolve.
+    assert catalog.price_for("anthropic-claude-opus-4.7") is not None
+
+
 def test_parse_do_catalog_divides_large_values_as_per_million():
     """A provider that genuinely reports $5-per-million in that field gets divided."""
     from planoai.obs.pricing import _parse_do_pricing