Integration fix 2: conditional recipe repairs and no pasted links in logs (Feature 12 review F1, F2) (#96)

Co-authored-by: orchestrator-agent <20+orchestrator-agent@code.cubecraftcreations.com>

migrations/queries/dinners.sql

@@ -84,19 +84,33 @@ RETURNING *;
 -- name: GroundDinner :one
 -- Records a dinner's grounding by hand (grounded or manual) and clears any
 -- grounding_error and pasted recipe_url: the recipe chosen replaces the
--- link. An unknown id returns sql.ErrNoRows.
+-- link. It writes only an unarchived dinner still as it was observed
+-- before grounding (same name, normalized_name, grounding_status,
+-- grounding_revision and recipe_id), so a dinner renamed, archived or
+-- grounded some other way meanwhile is left as it is. That dinner, or an
+-- unknown id, returns sql.ErrNoRows. A method, minutes_total or difficulty
+-- no longer as observed is kept: a member edited it while it was grounding.
 UPDATE dinners
-SET recipe_id = ?,
+SET recipe_id = sqlc.arg(recipe_id),
 	recipe_url = NULL,
-	photo_id = ?,
-	method = ?,
-	minutes_total = ?,
-	difficulty = ?,
-	grounding_status = ?,
+	photo_id = sqlc.arg(photo_id),
+	method = CASE WHEN method IS sqlc.narg(observed_method)
+		THEN sqlc.arg(method) ELSE method END,
+	minutes_total = CASE WHEN minutes_total IS sqlc.narg(observed_minutes_total)
+		THEN sqlc.arg(minutes_total) ELSE minutes_total END,
+	difficulty = CASE WHEN difficulty IS sqlc.narg(observed_difficulty)
+		THEN sqlc.arg(difficulty) ELSE difficulty END,
+	grounding_status = sqlc.arg(grounding_status),
 	grounding_error = NULL,
-	updated_by = ?,
-	updated_at = ?
-WHERE id = ?
+	updated_by = sqlc.arg(updated_by),
+	updated_at = sqlc.arg(updated_at)
+WHERE id = sqlc.arg(id)
+	AND status <> 'archived'
+	AND name = sqlc.arg(observed_name)
+	AND normalized_name = sqlc.arg(observed_normalized_name)
+	AND grounding_status = sqlc.arg(observed_grounding_status)
+	AND grounding_revision = sqlc.arg(observed_grounding_revision)
+	AND recipe_id IS sqlc.narg(observed_recipe_id)
 RETURNING *;
 
 -- name: GroundPendingDinner :execrows