Make agent file writes append by default

2026-05-28 12:36:23 +02:00
parent 78549645bc
commit 7ff93b73b3
19 changed files with 401 additions and 27 deletions
@@ -249,12 +249,13 @@ public sealed class MeetingSummaryTools
        string content,
        int? @from = null,
        int? to = null,
-        int? insert = null)
+        int? insert = null,
+        bool replace_file = false)
    {
-        var editMode = FileLineEditMode.Create(@from, to, insert);
+        var editMode = FileLineEditMode.Create(@from, to, insert, replace_file);
        if (editMode is null)
        {
-            return "Refused: supply either both from and to for replacement, insert for insertion, or no line arguments for overwrite.";
+            return "Refused: supply either both from and to for replacement, insert for insertion, or no line arguments for append; set replace_file=true only for whole-file replacement.";
        }

        if (!File.Exists(artifacts.AssistantContextPath))
@@ -316,12 +317,13 @@ public sealed class MeetingSummaryTools
        string content,
        int? @from = null,
        int? to = null,
-        int? insert = null)
+        int? insert = null,
+        bool replace_file = false)
    {
-        var editMode = FileLineEditMode.Create(@from, to, insert);
+        var editMode = FileLineEditMode.Create(@from, to, insert, replace_file);
        if (editMode is null)
        {
-            return "Refused: supply either both from and to for replacement, insert for insertion, or no line arguments for overwrite.";
+            return "Refused: supply either both from and to for replacement, insert for insertion, or no line arguments for append; set replace_file=true only for whole-file replacement.";
        }

        var target = ResolveExistingProjectFilePath(project, path);
@@ -544,6 +546,15 @@ public sealed class MeetingSummaryTools
            return;
        }

+        if (editMode.Kind == FileLineEditKind.Append)
+        {
+            var existing = File.Exists(filePath)
+                ? await File.ReadAllTextAsync(filePath)
+                : "";
+            await File.WriteAllTextAsync(filePath, AppendContent(existing, content));
+            return;
+        }
+
        var lines = File.Exists(filePath)
            ? (await File.ReadAllLinesAsync(filePath)).ToList()
            : [];
@@ -616,6 +627,11 @@ public sealed class MeetingSummaryTools
            return replacementContent;
        }

+        if (editMode.Kind == FileLineEditKind.Append)
+        {
+            return AppendContent(existingContent, replacementContent);
+        }
+
        var lines = SplitLines(existingContent);
        var replacementLines = SplitLines(replacementContent);
        if (editMode.Kind == FileLineEditKind.Insert)
@@ -637,6 +653,24 @@ public sealed class MeetingSummaryTools
        return string.Join('\n', lines);
    }

+    private static string AppendContent(string existingContent, string content)
+    {
+        if (string.IsNullOrEmpty(existingContent))
+        {
+            return content;
+        }
+
+        if (string.IsNullOrEmpty(content))
+        {
+            return existingContent;
+        }
+
+        var separator = existingContent.EndsWith('\n') || existingContent.EndsWith('\r')
+            ? ""
+            : "\n";
+        return existingContent + separator + content;
+    }
+
    private Task<List<BoundMeetingProject>> GetBoundProjectsAsync()
    {
        return projectResolver.GetBoundProjectsAsync(artifacts);
@@ -778,8 +812,13 @@ public sealed class MeetingSummaryTools
        int? To = null,
        int? Insert = null)
    {
-        public static FileLineEditMode? Create(int? from, int? to, int? insert)
+        public static FileLineEditMode? Create(int? from, int? to, int? insert, bool replaceFile)
        {
+            if (replaceFile && (from.HasValue || to.HasValue || insert.HasValue))
+            {
+                return null;
+            }
+
            if (insert.HasValue)
            {
                return from.HasValue || to.HasValue
@@ -794,12 +833,13 @@ public sealed class MeetingSummaryTools
                    : null;
            }

-            return new FileLineEditMode(FileLineEditKind.Overwrite);
+            return new FileLineEditMode(replaceFile ? FileLineEditKind.Overwrite : FileLineEditKind.Append);
        }
    }

    private enum FileLineEditKind
    {
+        Append,
        Overwrite,
        Replace,
        Insert