Implemented the weather forecast discussion product from weatherfeeder v0.8.3

internal/adapters/outbound/postgres/discussion_queries.go

@@ -0,0 +1,31 @@
+// discussion_queries.go contains SQL text for forecast discussion reads.
+// Layer: adapters/outbound/postgres discussion feature.
+package postgres
+
+const (
+	queryLatestForecastDiscussion = `
+SELECT
+  event_id,
+  office_id,
+  office_name,
+  issued_at,
+  updated_at,
+  product,
+  short_term_qualifier,
+  short_term_issued_at,
+  short_term_text,
+  long_term_qualifier,
+  long_term_issued_at,
+  long_term_text
+FROM forecast_discussions
+ORDER BY issued_at DESC, event_emitted_at DESC
+LIMIT 1`
+
+	queryForecastDiscussionKeyMessages = `
+SELECT
+  message_index,
+  message_text
+FROM forecast_discussion_key_messages
+WHERE run_event_id = $1
+ORDER BY message_index ASC`
+)