docs: record REIC deep-dive feasibility verdict (login-gated, empty XHR -> passed on)

.hermes/plans/2026-08-29_data-source-expansion-phase-2.md

@@ -109,6 +109,22 @@ them, not as simple additions to this collector family.
   not a quick add. NBTC's 403 is an IP/fingerprint anti-bot block that HAR replay
   (plain HTTP) likely canNOT bypass — skip NBTC unless a session/credential exists.
 
+## REIC deep-dive verdict (2026-08-29 — spike gate result)
+THOROUGHLY tested via Playwright + HAR:
+- No reusable JSON XHR — `Web_All_Num_View` returns an **empty body** (status 200,
+  size 0) on both the homepage and the Transfer page.
+- The homepage shows "โอนกรรมสิทธิ์อสังหาริมทรัพย์ ทั่วประเทศ มิ.ย.69 และ Q2/69" as a
+  **label/link only**, not an inline numeric value.
+- The actual transfer numbers (17.6% growth, unit counts) live on **login/member-
+  gated detail pages** or JS-rendered charts that don't put the raw number in the
+  DOM without a session.
+- Transfer sub-page `/Product/Transfer/1/71/1` returns a near-empty body (673B).
+Verdict: a low-cost REIC collector is **NOT feasible** (would require full
+Playwright-in-Docker on every refresh + a membership login). Property theme already
+has `te_property_prices` (TE residential +1.26% YoY) as a clean real source, so
+REIC is passed on rather than forcing a fragile collector. Recorded for reference.
+
+
 
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