diff --git a/cluster/applications/hindsight/values.yaml b/cluster/applications/hindsight/values.yaml
index ee74b5f..6abd024 100644
--- a/cluster/applications/hindsight/values.yaml
+++ b/cluster/applications/hindsight/values.yaml
@@ -49,19 +49,22 @@ existingSecret: hindsight-credentials
 
 # ----------------------------------------------------------------------------
 # API container environment (explicit env entries; the chart renders this map
-# to individual env vars). LLM points at the LOCAL astro-orbiter Qwen node
-# (OpenAI-compatible) — moved OFF the Nous free tier (solar-pro4 was 404/dead).
+# to individual env vars). LLM points at the Nous free-tier inference endpoint
+# (https://inference-api.nousresearch.com/v1), model upstage/solar-pro4:free
+# (tool-calling, verified retain/recall). stepfun/step-3.7-flash was swapped out
+# because it rejects Hindsight's tagged fact-extraction (BadRequestError 400
+# 'missing tags'); solar-pro4 is the previously-verified-good Nous model for the
+# extract/retain path (tasks t_e3375410 / t_d0dffc3d).
 # HINDSIGHT_API_LLM_API_KEY is NOT set here — it comes from the existingSecret
-# via envFrom (1Password `nous` item); the local node ignores it but the secret
-# still satisfies the chart's envFrom contract.
+# via envFrom (1Password `nous` item).
 # ----------------------------------------------------------------------------
 api:
   env:
     HINDSIGHT_API_LLM_BASE_URL: "https://inference-api.nousresearch.com/v1"
     HINDSIGHT_API_LLM_PROVIDER: "openai"
-    # Interim swap (2026-08-28, Ryan directive): local astro-orbiter Qwen is DOWN,
-    # so back Hindsight with Nous free stepfun/step-3.7-flash until the local node recovers.
-    HINDSIGHT_API_LLM_MODEL: "stepfun/step-3.7-flash:free"
+    # Swap (2026-08-28, t_8516dba2): stepfun failed retain w/ 400 'missing tags';
+    # return to verified-good Nous solar-pro4:free.
+    HINDSIGHT_API_LLM_MODEL: "upstage/solar-pro4:free"
 
 # ----------------------------------------------------------------------------
 # Ingress via the chart's native template.