Files
amcs/internal/tools/context.go
T
warkanum cfc78e0493
CI / build-and-test (push) Failing after 1m14s
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feat(tools): expose retrieval_mode in query-based tool responses
Add a retrieval_mode field ("semantic" or "text") to the output of all
five query-driven tools so callers can distinguish vector search from
Postgres full-text fallback without inspecting server logs.

Tools updated: search_thoughts, recall_context, get_project_context,
summarize_thoughts, and related_thoughts (semantic neighbours only;
omitempty so field is absent when include_semantic is false or no query
is provided for the non-mandatory-query tools).

The shared semanticSearch helper now returns the mode as a third return
value. All callers updated; fixes two compile errors left by the
previous worker (summarize.go and links.go were not capturing the new
return).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-07-14 12:44:53 +02:00

112 lines
3.5 KiB
Go

package tools
import (
"context"
"fmt"
"strings"
"github.com/modelcontextprotocol/go-sdk/mcp"
"git.warky.dev/wdevs/amcs/internal/ai"
"git.warky.dev/wdevs/amcs/internal/config"
"git.warky.dev/wdevs/amcs/internal/session"
"git.warky.dev/wdevs/amcs/internal/store"
thoughttypes "git.warky.dev/wdevs/amcs/internal/types"
)
type ContextTool struct {
store *store.DB
embeddings *ai.EmbeddingRunner
search config.SearchConfig
sessions *session.ActiveProjects
}
type ProjectContextInput struct {
Project string `json:"project,omitempty" jsonschema:"project name or id; falls back to the active session project"`
Query string `json:"query,omitempty" jsonschema:"optional semantic focus for project context"`
Limit int `json:"limit,omitempty" jsonschema:"maximum number of context items to return"`
}
type ContextItem struct {
ID string `json:"id"`
Content string `json:"content"`
Metadata thoughttypes.ThoughtMetadata `json:"metadata"`
Similarity float64 `json:"similarity,omitempty"`
Source string `json:"source"`
}
type ProjectContextOutput struct {
Project thoughttypes.Project `json:"project"`
Context string `json:"context"`
Items []ContextItem `json:"items"`
RetrievalMode string `json:"retrieval_mode,omitempty"`
}
func NewContextTool(db *store.DB, embeddings *ai.EmbeddingRunner, search config.SearchConfig, sessions *session.ActiveProjects) *ContextTool {
return &ContextTool{store: db, embeddings: embeddings, search: search, sessions: sessions}
}
func (t *ContextTool) Handle(ctx context.Context, req *mcp.CallToolRequest, in ProjectContextInput) (*mcp.CallToolResult, ProjectContextOutput, error) {
project, err := resolveProject(ctx, t.store, t.sessions, req, in.Project, true)
if err != nil {
return nil, ProjectContextOutput{}, err
}
limit := normalizeLimit(in.Limit, t.search)
recent, err := t.store.RecentThoughts(ctx, &project.NumericID, limit, 0)
if err != nil {
return nil, ProjectContextOutput{}, err
}
items := make([]ContextItem, 0, limit*2)
seen := map[string]struct{}{}
for _, thought := range recent {
key := fmt.Sprint(thought.ID)
seen[key] = struct{}{}
items = append(items, ContextItem{
ID: key,
Content: thought.Content,
Metadata: thought.Metadata,
Source: "recent",
})
}
var retrievalMode string
query := strings.TrimSpace(in.Query)
if query != "" {
semantic, mode, err := semanticSearch(ctx, t.store, t.embeddings, t.search, query, limit, t.search.DefaultThreshold, &project.NumericID, nil)
if err != nil {
return nil, ProjectContextOutput{}, err
}
retrievalMode = mode
for _, result := range semantic {
key := fmt.Sprint(result.ID)
if _, ok := seen[key]; ok {
continue
}
seen[key] = struct{}{}
items = append(items, ContextItem{
ID: key,
Content: result.Content,
Metadata: result.Metadata,
Similarity: result.Similarity,
Source: "semantic",
})
}
}
lines := make([]string, 0, len(items))
for i, item := range items {
lines = append(lines, thoughtContextLine(i, item.Content, item.Metadata, item.Similarity))
}
contextBlock := formatContextBlock(fmt.Sprintf("Project context for %s", project.Name), lines)
_ = t.store.TouchProject(ctx, project.NumericID)
return nil, ProjectContextOutput{
Project: *project,
Context: contextBlock,
Items: items,
RetrievalMode: retrievalMode,
}, nil
}