Add bot to play against.

internal/game/log.go

@@ -14,12 +14,28 @@ type LogEntry struct {
 	Phase  Phase  `json:"phase"`
 	Seat   int    `json:"seat"`             // acting seat, or -1 when none
 	Icon   string `json:"icon,omitempty"`   // leading emoji
-	Kind   string `json:"kind,omitempty"`   // e.g. "result" (battle outcome)
+	Kind   string `json:"kind,omitempty"`   // structured tag; see constants below
 	Text   string `json:"text"`             // the sentence itself
 	Source string `json:"source,omitempty"` // card id that caused a spawn
 	Spawn  string `json:"spawn,omitempty"`  // "apple" | "bee" for spawn entries
+	// The fields below add machine-readable copies of facts the Text already
+	// states publicly, so observers (the AI player included) don't have to
+	// parse English. They must never carry information the text doesn't.
+	Count    int      `json:"count,omitempty"`    // e.g. apples gained
+	CardName string   `json:"cardName,omitempty"` // named card, when public
+	Cards    []string `json:"cards,omitempty"`    // card ids involved, when public
 }
 
+// Structured LogEntry.Kind tags. Only "result" affects the client; the rest
+// exist so observers can follow the public action stream structurally.
+const (
+	LogResult    = "result"    // battle outcome (client holds it until the replay ends)
+	LogBuy       = "buy"       // Seat bought Source/CardName from the shop row
+	LogSell      = "sell"      // Seat sold Source/CardName (it became an apple)
+	LogTrade     = "trade"     // Seat traded in Cards for a next-tier pick
+	LogTradePick = "tradePick" // Seat took their pick; CardName set when revealed
+)
+
 // addLog appends an entry, stamping it with the next sequence number and the
 // current round/phase. Callers set Seat/Icon/Text (and Source/Spawn when the
 // entry represents something spawning off a card).