feat(cli): add CSV output to search

README.md

@@ -414,6 +414,7 @@ dispatch search --deep refactor --json
 dispatch search auth --format ids
 dispatch search auth --ids
 dispatch search auth --table
+dispatch search auth --csv
 ```
 
 The query can be passed as a positional argument or with `--query`. Filters mirror the interactive search and the `stats` command:
@@ -422,9 +423,9 @@ The query can be passed as a positional argument or with `--query`. Filters mirr
 - `--since` / `--until` accept `YYYY-MM-DD` or full RFC3339 timestamps.
 - `--deep` also searches turns, checkpoints, touched files, and refs.
 - `--limit <n>` caps the result count (default 50, `0` for no limit).
-- `--format json|ids|table` chooses JSON output, one session ID per line, or a readable table. `--ids` and `--table` are shortcuts.
+- `--format json|csv|ids|table` chooses JSON output, CSV output, one session ID per line, or a readable table. `--csv`, `--ids`, and `--table` are shortcuts.
 
-Each JSON result includes `id`, `summary`, `cwd`, `repository`, `branch`, `created_at`, `updated_at`, `turn_count`, and `file_count`. No JSON matches prints `[]`; no ID matches prints nothing. Both exit 0. Invalid flags or an unreadable store exit non-zero with a message on stderr.
+Each JSON or CSV result includes `id`, `summary`, `cwd`, `repository`, `branch`, `created_at`, `updated_at`, `turn_count`, and `file_count`. No JSON matches prints `[]`; no ID matches prints nothing. CSV always prints a header row. Invalid flags or an unreadable store exit non-zero with a message on stderr.
 
 ### Man
 

cmd/dispatch/main.go

@@ -126,7 +126,7 @@ Commands:
   completion <shell>      Print shell completion (bash, zsh, fish, powershell)
   doctor [--json]         Print environment diagnostics (--json for machine-readable output)
   stats [flags]           Print session totals and breakdowns
-  search [query] [flags]  Print matching sessions as JSON, IDs, or a table
+  search [query] [flags]  Print matching sessions as JSON, CSV, IDs, or a table
   tags [--json]           List tags in use with per-tag session counts
   aliases [--json]        List session aliases with orphan detection
   notes [command]          List, get, set, or clear session notes
@@ -177,7 +177,8 @@ Search flags:
   --json                  Print results as JSON (default)
   --ids                   Print one session ID per line
   --table                 Print a readable table
-  --format json|ids|table Choose the output format
+  --format json|csv|ids|table
+                          Choose the output format
   --query <text>          Text to match (also accepted as a positional argument)
   --deep                  Search turns, checkpoints, files, and refs too
   --repo <name>           Only include sessions for a repository

cmd/dispatch/search.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"encoding/csv"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -31,6 +32,7 @@ const (
 	searchFormatJSON  searchOutputFormat = "json"
 	searchFormatIDs   searchOutputFormat = "ids"
 	searchFormatTable searchOutputFormat = "table"
+	searchFormatCSV   searchOutputFormat = "csv"
 )
 
 // searchOptions holds the parsed flags for the search command.
@@ -83,6 +85,9 @@ func runSearch(w io.Writer, args []string) error {
 	if opts.format == searchFormatTable {
 		return writeSearchTable(w, sessions)
 	}
+	if opts.format == searchFormatCSV {
+		return writeSearchCSV(w, sessions)
+	}
 
 	results := make([]searchSession, 0, len(sessions))
 	for _, s := range sessions {
@@ -135,6 +140,30 @@ func writeSearchTable(w io.Writer, sessions []data.Session) error {
 	return tw.Flush()
 }
 
+func writeSearchCSV(w io.Writer, sessions []data.Session) error {
+	cw := csv.NewWriter(w)
+	if err := cw.Write([]string{"id", "summary", "cwd", "repository", "branch", "created_at", "updated_at", "turn_count", "file_count"}); err != nil {
+		return err
+	}
+	for _, s := range sessions {
+		if err := cw.Write([]string{
+			s.ID,
+			s.Summary,
+			s.Cwd,
+			s.Repository,
+			s.Branch,
+			s.CreatedAt,
+			s.UpdatedAt,
+			strconv.Itoa(s.TurnCount),
+			strconv.Itoa(s.FileCount),
+		}); err != nil {
+			return err
+		}
+	}
+	cw.Flush()
+	return cw.Error()
+}
+
 func shortSearchID(id string) string {
 	if len(id) <= 12 {
 		return id
@@ -194,6 +223,8 @@ func parseSearchArgs(args []string) (searchOptions, error) {
 			opts.format = searchFormatIDs
 		case name == "--table":
 			opts.format = searchFormatTable
+		case name == "--csv":
+			opts.format = searchFormatCSV
 		case name == "--format":
 			v, ni, err := takeValue(i, "--format", inlineOrEmpty(inline, hasInline))
 			if err != nil {
@@ -297,8 +328,10 @@ func parseSearchFormat(v string) (searchOutputFormat, error) {
 		return searchFormatIDs, nil
 	case string(searchFormatTable):
 		return searchFormatTable, nil
+	case string(searchFormatCSV):
+		return searchFormatCSV, nil
 	default:
-		return "", fmt.Errorf("invalid --format value %q (want json, ids, or table)", v)
+		return "", fmt.Errorf("invalid --format value %q (want json, ids, table, or csv)", v)
 	}
 }
 

cmd/dispatch/search_test.go

@@ -94,6 +94,9 @@ func TestParseSearchArgsIDFormats(t *testing.T) {
 		{name: "table shortcut", args: []string{"search", "--table"}},
 		{name: "format table separate", args: []string{"search", "--format", "table"}},
 		{name: "format table inline", args: []string{"search", "--format=table"}},
+		{name: "csv shortcut", args: []string{"search", "--csv"}},
+		{name: "format csv separate", args: []string{"search", "--format", "csv"}},
+		{name: "format csv inline", args: []string{"search", "--format=csv"}},
 	}
 	for _, tc := range cases {
 		t.Run(tc.name, func(t *testing.T) {
@@ -105,6 +108,9 @@ func TestParseSearchArgsIDFormats(t *testing.T) {
 			if strings.Contains(strings.Join(tc.args, " "), "table") {
 				want = searchFormatTable
 			}
+			if strings.Contains(strings.Join(tc.args, " "), "csv") {
+				want = searchFormatCSV
+			}
 			if opts.format != want {
 				t.Errorf("format = %q, want %s", opts.format, want)
 			}
@@ -260,6 +266,54 @@ func TestRunSearchTableEmptyPrintsHeader(t *testing.T) {
 	}
 }
 
+func TestRunSearchCSVOutput(t *testing.T) {
+	sessions := []data.Session{
+		{
+			ID:         "session-a",
+			Summary:    "fix, auth bug",
+			Cwd:        "/code/app",
+			Repository: "jongio/dispatch",
+			Branch:     "main",
+			CreatedAt:  "2026-01-05T10:00:00Z",
+			UpdatedAt:  "2026-01-06T10:00:00Z",
+			TurnCount:  5,
+			FileCount:  3,
+		},
+	}
+	withSearchList(t, func(data.FilterOptions, int) ([]data.Session, error) {
+		return sessions, nil
+	})
+
+	var buf bytes.Buffer
+	if err := runSearch(&buf, []string{"search", "--csv"}); err != nil {
+		t.Fatalf("runSearch returned error: %v", err)
+	}
+
+	got := buf.String()
+	for _, want := range []string{
+		"id,summary,cwd,repository,branch,created_at,updated_at,turn_count,file_count",
+		"session-a,\"fix, auth bug\",/code/app,jongio/dispatch,main,2026-01-05T10:00:00Z,2026-01-06T10:00:00Z,5,3",
+	} {
+		if !strings.Contains(got, want) {
+			t.Errorf("csv output missing %q:\n%s", want, got)
+		}
+	}
+}
+
+func TestRunSearchCSVEmptyPrintsHeader(t *testing.T) {
+	withSearchList(t, func(data.FilterOptions, int) ([]data.Session, error) {
+		return nil, nil
+	})
+
+	var buf bytes.Buffer
+	if err := runSearch(&buf, []string{"search", "--format", "csv"}); err != nil {
+		t.Fatalf("runSearch returned error: %v", err)
+	}
+	if got, want := buf.String(), "id,summary,cwd,repository,branch,created_at,updated_at,turn_count,file_count\n"; got != want {
+		t.Errorf("output = %q, want %q", got, want)
+	}
+}
+
 func TestRunSearchEmptyIsEmptyArray(t *testing.T) {
 	withSearchList(t, func(data.FilterOptions, int) ([]data.Session, error) {
 		return nil, nil