From 5b5896965758ff8f2077c8e8e2f0250f580967c3 Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Tue, 29 Sep 2026 01:48:39 -0300
Subject: Every answer to a pane's question is logged, answer - included

The log said ask but never what came of it, so a follower could not tell a
question taken back from one still standing. answerQuestion now records
answer <serial> <choice|-> whichever route answered, key or ctl; a key the
question does not offer is -. (Docs are in the tagexec change.)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 src/pardes.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/pardes.zig')

diff --git a/src/pardes.zig b/src/pardes.zig
index 54fe2df0..706e9ef3 100644
--- a/src/pardes.zig
+++ b/src/pardes.zig
@@ -1712,6 +1712,7 @@ test "a REPL bound for a language takes the exec made on a body in it; tags, Exe
         const answered = th.wr(p, ctlfs.Node.of(file.serial, .ctl), "answer a\n");
         try std.testing.expectEqual(ctlfs.Status.ok, answered.reply.status);
         try std.testing.expectEqualStrings("print(5)\r", answered.pty());
+        try std.testing.expect(th.logHas(p, try std.fmt.bufPrint(&want, "answer {d} a\n", .{file.serial})));
     }
     _ = exec.executeFrom(p, 0, "print(3)", true);
     p.update(.{ .key = .{ .cp = Key.escape } });
@@ -5573,8 +5574,17 @@ pub const Pardes = struct {
         }
     }
 
+    /// Answers the pane's question: a choice it offers, else (null, or a
+    /// key it does not offer) takes it back. The log says which, as
+    /// `answer <serial> <choice|->`, after the `ask` it answers.
     pub fn answerQuestion(p: *Pardes, id: usize, choice: ?u8) bool {
         const asked = p.panes[id] orelse return false;
+        var offered: [64]u8 = undefined;
+        if (p.questionChoices(id, &offered)) |choices| {
+            const chosen: ?u8 = if (choice) |c| (if (std.mem.indexOfScalar(u8, choices, c) != null and c != ' ') c else null) else null;
+            var rec: [32]u8 = undefined;
+            ctlfs.events.notePath(p, "answer", std.fmt.bufPrint(&rec, "{d} {c}", .{ asked.serial, chosen orelse '-' }) catch "");
+        }
         switch (asked.prompt) {
             .repl_choice => {
                 asked.prompt = .none;
@@ -7085,10 +7095,12 @@ test "Del from a key asks which neighbour takes the rows; nothing else asks" {
         try std.testing.expectEqual(Pane.Prompt.del_side, p.panes[asked].?.prompt);
         try std.testing.expectEqual(ctlfs.Status.ok, th.wr(p, ctl, "answer -\n").reply.status);
         try std.testing.expect(p.panes[asked] != null and p.panes[asked].?.prompt == .none);
+        try std.testing.expect(th.logHas(p, try std.fmt.bufPrint(&want, "answer {d} -\n", .{serial})));
         p.update(.{ .key = .{ .cp = ' ' } });
         p.update(.{ .key = .{ .cp = 'd' } });
         try std.testing.expectEqual(ctlfs.Status.ok, th.wr(p, ctl, "answer k\n").reply.status);
         try std.testing.expect(p.paneBySerial(serial) == null);
+        try std.testing.expect(th.logHas(p, try std.fmt.bufPrint(&want, "answer {d} k\n", .{serial})));
     }
 
     // Bare Del from anything but a key closes at once and gives the rows up,
-- 
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