// newCompactor returns the compactor of an agent, which sends its calls through
// client with model. instructions gives the system prompt of the agent at each
-// build, so a build sends the same prompt as the turns of that time.
-func newCompactor(client *ModelClient, instructions func() (string, error), model ModelConfig) *Compactor {
+// build. tools are the tools of that agent, so a build sends the same prompt
+// and tools as its turns.
+func newCompactor(client *ModelClient, instructions func() (string, error), model ModelConfig, tools []ModelTool, images *ImageStore) *Compactor {
return &Compactor{
client: client,
model: model,
instructions: instructions,
- tools: promptTools(),
+ tools: tools,
+ images: images,
}
}
// Compactor builds the nodes of one agent with a model. A compaction is a call
// like a turn, with the same system prompt and tools, so it reads them from the
// prompt cache of the turns. The tools are never called. After them comes one
-// user message with the compaction view up to the node and the task.
+// user message with the compaction view up to the node, its closing tag, a
+// newline, and the task.
//
-// When the line is over nodeBytes, the next try sends the same view and task,
-// plus a note with the size of the newest line and its cut at the limit. A try
-// never sends the model's earlier reply or reasoning back, so every try has the
-// same cached prefix and about the same size. After at most compactorTries
-// tries, the shortest line is the node. A few bytes over the limit is fine,
-// because the view measures the real sizes. A call that fails before any line
-// fails the build, and the core tries it again at the next message.
+// When the line is over nodeBytes, the next try sends the same message, plus
+// one more user message with a note with the size of the newest line and its
+// cut at the limit. Only the first call of an image leaf sends its pixels. A
+// try never sends the model's earlier reply or reasoning back, so every try
+// begins with the same view and task and has about the same size. After at most
+// compactorTries tries, the shortest line is the node. A few bytes over the
+// limit is fine, because the view measures the real sizes. A call that fails
+// before any line fails the build, and the core tries it again at the next
+// message.
type Compactor struct {
client *ModelClient
model ModelConfig
instructions func() (string, error)
tools []ModelTool
+ images *ImageStore
}
// Summarize returns the line of the node of task.
func (c *Compactor) Summarize(ctx context.Context, task Task) (string, error) {
- view := task.Context + "\n"
text, err := compactorTask(task)
if err != nil {
return "", err
instructions, err := c.instructions()
if err != nil {
- return "", fmt.Errorf("compact node (%d, %d): %w", task.Level, task.Index, err)
+ return "", err
}
+ source := task.Context + "\n" + text
+ parts, err := imageParts(c.images, source, task.Images)
+ if err != nil {
+ return "", fmt.Errorf("read compaction images: %w", err)
+ }
+
+ first := []any{modelUserParts(parts)}
+
var lines []string
+
note := ""
for len(lines) < compactorTries {
- parts := []string{view, text}
+ input := first
if note != "" {
- parts = append(parts, note)
+ input = []any{modelUserMessage(source), modelUserMessage(note)}
}
var response ModelResponse
+
response, err = c.client.Create(ctx, ModelRequest{
Model: c.model.Model,
Effort: c.model.Effort,
Instructions: instructions,
Tools: c.tools,
- Input: []any{modelUserMessage(parts...)},
- Node: &nodeKey{task.Level, task.Index},
+ Input: input,
+ Node: &NodeKey{task.Level, task.Index},
})
if err != nil {
break
}
if len(lines) == 0 {
- return "", fmt.Errorf("compact node (%d, %d): %w", task.Level, task.Index, err)
+ return "", err
}
return compactorShortest(lines), nil
// compactorTask returns the task of a build, with its input.
func compactorTask(task Task) (string, error) {
if task.Level == 0 && len(task.Input) == 1 {
- return fmt.Sprintf(`Compaction: compress message %d into one line of at most %d bytes
+ text := fmt.Sprintf(`Compaction: compress message %d into one line of at most %d bytes
(about 70 words), the length of this ruler:
%s
<input>
%s
-</input>`, task.Index, nodeBytes, compactorRuler, task.Input[0]), nil
+</input>`, task.Index, nodeBytes, compactorRuler, task.Input[0])
+ if len(task.Images) > 0 {
+ text += "\nKeep each [image FILE] name and describe its kind, visible text, amounts, names, and context."
+ }
+
+ return text, nil
}
if task.Level > 0 && len(task.Input) == 2 {
projects / onechat / blobdiff