steve
6dfc13be1d
Implements five of the six enhancements from docs/kb-enhancements-proposal.htm, closing the retrieval-quality gap identified in the qmd review. - Cross-encoder reranking: new kb/reranker.py loads an optional reranking model at startup (KB_RERANK_ENABLED, KB_RERANKER_MODEL, KB_RERANK_CANDIDATES). Search degrades gracefully to plain hybrid retrieval when the model is absent. Exposed via a "rerank" block in /status, a rerank flag on search, and --no-rerank in the CLI. - RRF rank fusion: FTS and vector lists now merge by reciprocal rank fusion with a top-rank bonus, replacing the old score blend. Scores are comparable across queries. - Bench harness and explain traces: kb bench runs a query fixture against each backend and reports precision@k, recall and MRR. --explain returns a per-result score breakdown. - Tag context descriptions: tags carry an optional one-line description (kb tag-describe), returned as tag_contexts with search results. Adds a tags.description column migration. - Structured data ingestion: .json/.yaml/.toml files ingest as text via the new "data" doc type, pretty-printing minified JSON before chunking. Query expansion (proposal item 5) is deliberately left out pending bench results. Requires engine v3.3.0. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"github.com/kb-search/kb/internal/api"
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"github.com/kb-search/kb/internal/output"
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"github.com/spf13/cobra"
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)
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var tagDescribeCmd = &cobra.Command{
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Use: "tag-describe <tag> [description]",
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Short: "Set a one-line context description on a tag",
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Long: `Attach a short description to a tag (e.g. "Lab operations runbooks").
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Descriptions are returned as tag_contexts with every search result on a
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document carrying the tag, helping consumers judge relevance.
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Omit the description (or pass "") to clear it.`,
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Args: cobra.RangeArgs(1, 2),
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RunE: runTagDescribe,
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}
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func init() {
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rootCmd.AddCommand(tagDescribeCmd)
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}
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func runTagDescribe(cmd *cobra.Command, args []string) error {
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description := ""
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if len(args) == 2 {
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description = args[1]
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}
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body := map[string]interface{}{"description": description}
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client := api.NewClient()
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resp, err := client.Put("/api/v1/tags/"+args[0]+"/description", body)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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if err := api.CheckError(resp); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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if output.IsJSON() {
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var raw interface{}
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if err := api.DecodeJSON(resp, &raw); err != nil {
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return fmt.Errorf("failed to decode response: %w", err)
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}
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output.PrintJSON(raw)
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return nil
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}
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if description == "" {
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fmt.Printf("Description cleared for tag %q\n", args[0])
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} else {
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fmt.Printf("Tag %q: %s\n", args[0], description)
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}
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return nil
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}
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