fix: signal reactions

src/channels/plugins/actions/signal.ts

@@ -0,0 +1,130 @@
+import { createActionGate, jsonResult, readStringParam } from "../../../agents/tools/common.js";
+import { listEnabledSignalAccounts, resolveSignalAccount } from "../../../signal/accounts.js";
+import { resolveSignalReactionLevel } from "../../../signal/reaction-level.js";
+import { sendReactionSignal, removeReactionSignal } from "../../../signal/send-reactions.js";
+import type { ChannelMessageActionAdapter, ChannelMessageActionName } from "../types.js";
+
+const providerId = "signal";
+const GROUP_PREFIX = "group:";
+
+function normalizeSignalReactionRecipient(raw: string): string {
+  const trimmed = raw.trim();
+  if (!trimmed) return trimmed;
+  const withoutSignal = trimmed.replace(/^signal:/i, "").trim();
+  if (!withoutSignal) return withoutSignal;
+  if (withoutSignal.toLowerCase().startsWith("uuid:")) {
+    return withoutSignal.slice("uuid:".length).trim();
+  }
+  return withoutSignal;
+}
+
+function resolveSignalReactionTarget(raw: string): { recipient?: string; groupId?: string } {
+  const trimmed = raw.trim();
+  if (!trimmed) return {};
+  const withoutSignal = trimmed.replace(/^signal:/i, "").trim();
+  if (!withoutSignal) return {};
+  if (withoutSignal.toLowerCase().startsWith(GROUP_PREFIX)) {
+    const groupId = withoutSignal.slice(GROUP_PREFIX.length).trim();
+    return groupId ? { groupId } : {};
+  }
+  return { recipient: normalizeSignalReactionRecipient(withoutSignal) };
+}
+
+export const signalMessageActions: ChannelMessageActionAdapter = {
+  listActions: ({ cfg }) => {
+    const accounts = listEnabledSignalAccounts(cfg);
+    if (accounts.length === 0) return [];
+    const configuredAccounts = accounts.filter((account) => account.configured);
+    if (configuredAccounts.length === 0) return [];
+
+    const actions = new Set<ChannelMessageActionName>(["send"]);
+
+    const reactionsEnabled = configuredAccounts.some((account) =>
+      createActionGate(account.config.actions)("reactions"),
+    );
+    if (reactionsEnabled) {
+      actions.add("react");
+    }
+
+    return Array.from(actions);
+  },
+  supportsAction: ({ action }) => action !== "send",
+
+  handleAction: async ({ action, params, cfg, accountId }) => {
+    if (action === "send") {
+      throw new Error("Send should be handled by outbound, not actions handler.");
+    }
+
+    if (action === "react") {
+      // Check reaction level first
+      const reactionLevelInfo = resolveSignalReactionLevel({
+        cfg,
+        accountId: accountId ?? undefined,
+      });
+      if (!reactionLevelInfo.agentReactionsEnabled) {
+        throw new Error(
+          `Signal agent reactions disabled (reactionLevel="${reactionLevelInfo.level}"). ` +
+            `Set channels.signal.reactionLevel to "minimal" or "extensive" to enable.`,
+        );
+      }
+
+      // Also check the action gate for backward compatibility
+      const actionConfig = resolveSignalAccount({ cfg, accountId }).config.actions;
+      const isActionEnabled = createActionGate(actionConfig);
+      if (!isActionEnabled("reactions")) {
+        throw new Error("Signal reactions are disabled via actions.reactions.");
+      }
+
+      const recipientRaw =
+        readStringParam(params, "recipient") ??
+        readStringParam(params, "to", {
+          required: true,
+          label: "recipient (UUID, phone number, or group)",
+        });
+      const target = resolveSignalReactionTarget(recipientRaw);
+      if (!target.recipient && !target.groupId) {
+        throw new Error("recipient or group required");
+      }
+
+      const messageId = readStringParam(params, "messageId", {
+        required: true,
+        label: "messageId (timestamp)",
+      });
+      const targetAuthor = readStringParam(params, "targetAuthor");
+      const targetAuthorUuid = readStringParam(params, "targetAuthorUuid");
+      if (target.groupId && !targetAuthor && !targetAuthorUuid) {
+        throw new Error("targetAuthor or targetAuthorUuid required for group reactions.");
+      }
+
+      const emoji = readStringParam(params, "emoji", { allowEmpty: true });
+      const remove = typeof params.remove === "boolean" ? params.remove : undefined;
+
+      const timestamp = parseInt(messageId, 10);
+      if (!Number.isFinite(timestamp)) {
+        throw new Error(`Invalid messageId: ${messageId}. Expected numeric timestamp.`);
+      }
+
+      if (remove) {
+        if (!emoji) throw new Error("Emoji required to remove reaction.");
+        await removeReactionSignal(target.recipient ?? "", timestamp, emoji, {
+          accountId: accountId ?? undefined,
+          groupId: target.groupId,
+          targetAuthor,
+          targetAuthorUuid,
+        });
+        return jsonResult({ ok: true, removed: emoji });
+      }
+
+      if (!emoji) throw new Error("Emoji required to add reaction.");
+      await sendReactionSignal(target.recipient ?? "", timestamp, emoji, {
+        accountId: accountId ?? undefined,
+        groupId: target.groupId,
+        targetAuthor,
+        targetAuthorUuid,
+      });
+      return jsonResult({ ok: true, added: emoji });
+    }
+
+    throw new Error(`Action ${action} not supported for ${providerId}.`);
+  },
+};