1 files changed, 78 insertions, 1 deletions
diff --git a/internal/executor/claude_test.go b/internal/executor/claude_test.go
index 6745957..fa81b09 100644
--- a/internal/executor/claude_test.go
+++ b/internal/executor/claude_test.go
@@ -1,6 +1,7 @@
 package executor
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/thepeterstone/claudomator/internal/task"
@@ -12,6 +13,7 @@ func TestClaudeRunner_BuildArgs_BasicTask(t *testing.T) {
 		Claude: task.ClaudeConfig{
 			Instructions: "fix the bug",
 			Model:        "sonnet",
+			SkipPlanning: true,
 		},
 	}
 
@@ -41,6 +43,7 @@ func TestClaudeRunner_BuildArgs_FullConfig(t *testing.T) {
 			DisallowedTools:    []string{"Write"},
 			ContextFiles:       []string{"/src"},
 			AdditionalArgs:     []string{"--verbose"},
+			SkipPlanning:       true,
 		},
 	}
 
@@ -72,7 +75,10 @@ func TestClaudeRunner_BuildArgs_FullConfig(t *testing.T) {
 func TestClaudeRunner_BuildArgs_AlwaysIncludesVerbose(t *testing.T) {
 	r := &ClaudeRunner{}
 	tk := &task.Task{
-		Claude: task.ClaudeConfig{Instructions: "do something"},
+		Claude: task.ClaudeConfig{
+			Instructions: "do something",
+			SkipPlanning: true,
+		},
 	}
 
 	args := r.buildArgs(tk)
@@ -89,6 +95,77 @@ func TestClaudeRunner_BuildArgs_AlwaysIncludesVerbose(t *testing.T) {
 	}
 }
 
+func TestClaudeRunner_BuildArgs_PreamblePrepended(t *testing.T) {
+	r := &ClaudeRunner{}
+	tk := &task.Task{
+		Claude: task.ClaudeConfig{
+			Instructions: "fix the bug",
+			SkipPlanning: false,
+		},
+	}
+
+	args := r.buildArgs(tk)
+
+	// The -p value should start with the preamble and end with the original instructions.
+	if len(args) < 2 || args[0] != "-p" {
+		t.Fatalf("expected -p as first arg, got: %v", args)
+	}
+	if !strings.HasPrefix(args[1], planningPreamble) {
+		t.Errorf("instructions should start with planning preamble")
+	}
+	if !strings.HasSuffix(args[1], "fix the bug") {
+		t.Errorf("instructions should end with original instructions")
+	}
+}
+
+func TestClaudeRunner_BuildArgs_PreambleAddsBash(t *testing.T) {
+	r := &ClaudeRunner{}
+	tk := &task.Task{
+		Claude: task.ClaudeConfig{
+			Instructions: "do work",
+			AllowedTools: []string{"Read"},
+			SkipPlanning: false,
+		},
+	}
+
+	args := r.buildArgs(tk)
+
+	// Bash should be appended to allowed tools.
+	foundBash := false
+	for i, a := range args {
+		if a == "--allowedTools" && i+1 < len(args) && args[i+1] == "Bash" {
+			foundBash = true
+		}
+	}
+	if !foundBash {
+		t.Errorf("Bash should be added to --allowedTools when preamble is active: %v", args)
+	}
+}
+
+func TestClaudeRunner_BuildArgs_PreambleBashNotDuplicated(t *testing.T) {
+	r := &ClaudeRunner{}
+	tk := &task.Task{
+		Claude: task.ClaudeConfig{
+			Instructions: "do work",
+			AllowedTools: []string{"Bash", "Read"},
+			SkipPlanning: false,
+		},
+	}
+
+	args := r.buildArgs(tk)
+
+	// Count Bash occurrences in --allowedTools values.
+	bashCount := 0
+	for i, a := range args {
+		if a == "--allowedTools" && i+1 < len(args) && args[i+1] == "Bash" {
+			bashCount++
+		}
+	}
+	if bashCount != 1 {
+		t.Errorf("Bash should appear exactly once in --allowedTools, got %d: %v", bashCount, args)
+	}
+}
+
 func TestClaudeRunner_BinaryPath_Default(t *testing.T) {
 	r := &ClaudeRunner{}
 	if r.binaryPath() != "claude" {