diff --git a/cmd/olliesrv/internal/agent/agent.go b/cmd/olliesrv/internal/agent/agent.go
index 0428330..b8f4985 100644
--- a/cmd/olliesrv/internal/agent/agent.go
+++ b/cmd/olliesrv/internal/agent/agent.go
@@ -12,8 +12,8 @@ import (
 	"ollie/cmd/olliesrv/internal/backend"
 	lib9p "ollie/lib9p/client"
 	olog "ollie/log"
-	"ollie/paths"
 	toolsrvclient "ollie/toolsrv/client"
+	"ollie/util"
 )
 
 // Agent holds the state of the current Agent entity (the "agent"
@@ -528,7 +528,7 @@ func (ag *Agent) SetCWD(dir string) {
 	ag.stateMu.Lock()
 	ag.cwd = dir
 	ag.stateMu.Unlock()
-	isGitRepo := paths.IsGitRepo(dir)
+	isGitRepo := util.IsGitRepo(dir)
 	ag.envBlock = EnvironmentBlock(dir, runtime.GOOS, isGitRepo, "")
 	ag.runtime.Preamble.Set(SectionEnv, ag.envBlock)
 	if ag.runtime.ToolServer != nil {
diff --git a/cmd/olliesrv/internal/agent/config_paths.go b/cmd/olliesrv/internal/agent/config_paths.go
index 5d7fde3..b421b2a 100644
--- a/cmd/olliesrv/internal/agent/config_paths.go
+++ b/cmd/olliesrv/internal/agent/config_paths.go
@@ -3,12 +3,12 @@ package agent
 import (
 	"os"
 
-	"ollie/paths"
+	"ollie/util"
 )
 
 // AgentsDirs returns all agent directories. Currently just the default.
 func AgentsDirs() []string {
-	return []string{paths.CfgDir() + "/agents"}
+	return []string{util.CfgDir() + "/agents"}
 }
 
 // AgentConfigPath resolves the config file path for a named agent.
diff --git a/cmd/olliesrv/internal/agent/history.go b/cmd/olliesrv/internal/agent/history.go
index 7bf18b3..86cf32b 100644
--- a/cmd/olliesrv/internal/agent/history.go
+++ b/cmd/olliesrv/internal/agent/history.go
@@ -9,7 +9,7 @@ import (
 	"strings"
 
 	"ollie/cmd/olliesrv/internal/backend"
-	"ollie/paths"
+	"ollie/util"
 )
 
 const (
@@ -43,13 +43,13 @@ func RestoreHistoryFromMessages(messages []backend.Message) *History {
 	}
 	for i := range s.messages {
 		if s.messages[i].Role == "assistant" && s.messages[i].ID == "" {
-			s.messages[i].ID = paths.NewUUID()
+			s.messages[i].ID = util.NewUUID()
 		}
 		if s.messages[i].Role == "tool" && s.messages[i].ID == "" {
 			if s.messages[i].ToolCallID != "" {
 				s.messages[i].ID = toolMessageID(s.messages[i])
 			} else {
-				s.messages[i].ID = paths.NewUUID()
+				s.messages[i].ID = util.NewUUID()
 			}
 		}
 	}
@@ -198,7 +198,7 @@ func (s *History) update(assistant backend.Message, results []toolResult) {
 		if r.ToolCallID != "" {
 			m.ID = toolMessageID(m)
 		} else {
-			m.ID = paths.NewUUID()
+			m.ID = util.NewUUID()
 		}
 		s.messages = append(s.messages, m)
 	}
@@ -504,7 +504,7 @@ func (s *History) stripCold(ctx context.Context, b backend.Backend) (backend.Usa
 				if m.ToolCallID != "" {
 					id = toolMessageID(*m)
 				} else {
-					id = paths.NewUUID()
+					id = util.NewUUID()
 				}
 				m.ID = id
 			}
diff --git a/cmd/olliesrv/internal/agent/loop.go b/cmd/olliesrv/internal/agent/loop.go
index 4e835f6..bbd0902 100644
--- a/cmd/olliesrv/internal/agent/loop.go
+++ b/cmd/olliesrv/internal/agent/loop.go
@@ -11,8 +11,8 @@ import (
 	"time"
 
 	"ollie/cmd/olliesrv/internal/backend"
-	"ollie/paths"
 	toolsrvclient "ollie/toolsrv/client"
+	"ollie/util"
 )
 
 const maxTransientRetries = 3
@@ -124,7 +124,7 @@ func (ag *Agent) run(ctx context.Context) error {
 
 		history := h.history()
 
-		responseID := paths.NewUUID()
+		responseID := util.NewUUID()
 		content, reasoning, toolCalls, stopReason, err := ag.streamResponse(ctx, history, responseID, step)
 		if err != nil {
 			// On context cancellation mid-stream, persist partial state.
diff --git a/cmd/olliesrv/internal/backend/config.go b/cmd/olliesrv/internal/backend/config.go
index f696363..9a68897 100644
--- a/cmd/olliesrv/internal/backend/config.go
+++ b/cmd/olliesrv/internal/backend/config.go
@@ -5,7 +5,7 @@ import (
 	"os"
 	"strings"
 
-	"ollie/paths"
+	"ollie/util"
 )
 
 // BackendConfig holds the per-backend configuration from backends.conf.
@@ -26,7 +26,7 @@ type configFile struct {
 // loadConfig reads ~/.config/ollie/backends.conf.
 // Returns zero value if the file doesn't exist or is unreadable.
 func loadConfig() configFile {
-	return parseConfigFile(paths.CfgDir() + "/backends.conf")
+	return parseConfigFile(util.CfgDir() + "/backends.conf")
 }
 
 // CompactionModel returns the configured compaction model for a backend.
diff --git a/cmd/olliesrv/internal/backend/kiro.go b/cmd/olliesrv/internal/backend/kiro.go
index 3361496..299e33c 100644
--- a/cmd/olliesrv/internal/backend/kiro.go
+++ b/cmd/olliesrv/internal/backend/kiro.go
@@ -30,7 +30,7 @@ import (
 	"sync"
 	"time"
 
-	"ollie/paths"
+	"ollie/util"
 )
 
 // ── Public constructor ────────────────────────────────────────────────────────
@@ -336,8 +336,8 @@ func buildKiroRequest(model string, messages []Message, tools []Tool, profileARN
 		return nil, fmt.Errorf("last message role %q is not supported (expected user, system, or tool)", lastRole)
 	}
 
-	convID := paths.NewUUID()
-	contID := paths.NewUUID()
+	convID := util.NewUUID()
+	contID := util.NewUUID()
 
 	req := &kiroGenerateRequest{
 		ProfileARN: profileARN,
@@ -446,7 +446,7 @@ func encodeKiroAssistantMessage(m Message) *kiroAssistantResponseMessage {
 		}
 		toolUseID := strings.TrimSpace(tc.ID)
 		if toolUseID == "" {
-			toolUseID = paths.NewUUID()
+			toolUseID = util.NewUUID()
 		}
 		msg.ToolUses = append(msg.ToolUses, kiroToolUse{
 			ToolUseID: toolUseID,
@@ -1471,5 +1471,5 @@ func newKiroAuthSource(apiKey string) (kiroAuthSource, error) {
 }
 
 func kiroDefaultSQLiteKey() string {
-	return "sqlite://" + filepath.Join(paths.UserDataHome(), "kiro-cli", "data.sqlite3")
+	return "sqlite://" + filepath.Join(util.UserDataHome(), "kiro-cli", "data.sqlite3")
 }
diff --git a/cmd/olliesrv/internal/backend/kiro_internal.go b/cmd/olliesrv/internal/backend/kiro_internal.go
index c830966..7125b15 100644
--- a/cmd/olliesrv/internal/backend/kiro_internal.go
+++ b/cmd/olliesrv/internal/backend/kiro_internal.go
@@ -23,7 +23,7 @@ import (
 	"net/url"
 	"strings"
 
-	"ollie/paths"
+	"ollie/util"
 )
 
 // ── Wire types ────────────────────────────────────────────────────────────────
@@ -511,7 +511,7 @@ type kiroToolUseAccumulator struct {
 }
 
 func (c *kiroAPIClient) applyHeaders(req *http.Request) error {
-	invocationID := paths.NewUUID()
+	invocationID := util.NewUUID()
 	req.Header.Set("Content-Type", "application/x-amz-json-1.0")
 	req.Header.Set("X-Amz-Target", kiroGenerateTarget)
 	req.Header.Set("Authorization", "Bearer "+c.token)
@@ -666,7 +666,7 @@ func (c *kiroOIDCClient) RefreshToken(ctx context.Context, req kiroRefreshTokenR
 	if err != nil {
 		return nil, fmt.Errorf("build refresh request: %w", err)
 	}
-	invocationID := paths.NewUUID()
+	invocationID := util.NewUUID()
 	httpReq.Header.Set("Content-Type", "application/json")
 	httpReq.Header.Set("Accept", "*/*")
 	httpReq.Header.Set("Accept-Encoding", "gzip")
@@ -748,7 +748,7 @@ func (c *kiroAPIClient) ListModels(ctx context.Context, profileARN string) (*kir
 	if err != nil {
 		return nil, err
 	}
-	invocationID := paths.NewUUID()
+	invocationID := util.NewUUID()
 	req.Header.Set("Content-Type", "application/x-amz-json-1.0")
 	req.Header.Set("X-Amz-Target", kiroListModelsTarget)
 	req.Header.Set("Authorization", "Bearer "+c.token)
diff --git a/cmd/olliesrv/internal/fs/spec.go b/cmd/olliesrv/internal/fs/spec.go
index a9e5a88..71a336c 100644
--- a/cmd/olliesrv/internal/fs/spec.go
+++ b/cmd/olliesrv/internal/fs/spec.go
@@ -17,7 +17,7 @@ import (
 	"ollie/cmd/olliesrv/internal/backend"
 	"ollie/cmd/olliesrv/internal/metrics"
 	"ollie/cmd/olliesrv/internal/session"
-	"ollie/paths"
+	"ollie/util"
 	"ollie/virtfs"
 )
 
@@ -745,7 +745,7 @@ func buildAgentChildren(a *agent.Agent, s *session.Session) []virtfs.FsNodeDecl
 						if len(args) == 0 {
 							return []byte(a.Cwd() + "\n"), nil
 						}
-						dir := paths.ExpandHome(strings.Join(args, " "))
+						dir := util.ExpandHome(strings.Join(args, " "))
 						if _, err := os.Stat(dir); err != nil {
 							return nil, fmt.Errorf("cwd: %w", err)
 						}
diff --git a/cmd/olliesrv/internal/metrics/metrics.go b/cmd/olliesrv/internal/metrics/metrics.go
index 149bbf9..3899cf4 100644
--- a/cmd/olliesrv/internal/metrics/metrics.go
+++ b/cmd/olliesrv/internal/metrics/metrics.go
@@ -12,7 +12,7 @@ import (
 	"time"
 
 	"ollie/cmd/olliesrv/internal/backend"
-	"ollie/paths"
+	"ollie/util"
 )
 
 // Record is one backend usage event. Records are append-only and independently
@@ -178,7 +178,7 @@ func (a *Aggregate) add(r Record) {
 var appendMu sync.Mutex
 
 // EventsPath returns the append-only metrics event log path.
-func EventsPath() string { return filepath.Join(paths.DataDir(), "metrics", "events.jsonl") }
+func EventsPath() string { return filepath.Join(util.DataDir(), "metrics", "events.jsonl") }
 
 // RecordUsage appends one usage event to the global metrics log.
 func RecordUsage(sessionID, agentID, backendName, model string, u backend.Usage, estimated bool) error {
diff --git a/cmd/olliesrv/internal/session/registry.go b/cmd/olliesrv/internal/session/registry.go
index acec01e..4be3b2c 100644
--- a/cmd/olliesrv/internal/session/registry.go
+++ b/cmd/olliesrv/internal/session/registry.go
@@ -20,7 +20,7 @@ import (
 	"ollie/cmd/olliesrv/internal/agent"
 	"ollie/cmd/olliesrv/internal/backend"
 	olog "ollie/log"
-	"ollie/paths"
+	"ollie/util"
 )
 
 // Package-level session registry with thread-safe access.
@@ -284,7 +284,7 @@ func BuildAgentIndex(sess *Session) []byte {
 
 // CreateEmpty creates an empty session (no agent) and registers it.
 func CreateEmpty(name, remote string) (*Session, error) {
-	sessID := paths.NewUUID()
+	sessID := util.NewUUID()
 	if name == "" {
 		name = sessID
 		if idx := strings.IndexByte(sessID, '-'); idx > 0 {
diff --git a/cmd/olliesrv/internal/session/session.go b/cmd/olliesrv/internal/session/session.go
index 7180283..39e9e80 100644
--- a/cmd/olliesrv/internal/session/session.go
+++ b/cmd/olliesrv/internal/session/session.go
@@ -13,9 +13,9 @@ import (
 	"ollie/cmd/olliesrv/internal/backend"
 	"ollie/cmd/olliesrv/internal/toolclient"
 	olog "ollie/log"
-	"ollie/paths"
 	toolsrvclient "ollie/toolsrv/client"
 	"ollie/toolsrv/protocol"
+	"ollie/util"
 )
 
 // Session owns all session-level state: identity, agents, tool server lifecycle.
@@ -57,7 +57,7 @@ type Session struct {
 var sweepTmpOnce sync.Once
 
 func ollieTmpDir() string {
-	return filepath.Join(paths.DataDir(), "tmp")
+	return filepath.Join(util.DataDir(), "tmp")
 }
 
 func sweepStaleTmpDirs() {
diff --git a/cmd/olliesrv/internal/session/setup.go b/cmd/olliesrv/internal/session/setup.go
index c4db13b..039ea7c 100644
--- a/cmd/olliesrv/internal/session/setup.go
+++ b/cmd/olliesrv/internal/session/setup.go
@@ -7,8 +7,8 @@ import (
 	"ollie/cmd/olliesrv/internal/agent"
 	"ollie/cmd/olliesrv/internal/prompts"
 	"ollie/cmd/olliesrv/internal/toolclient"
-	"ollie/paths"
 	toolsrvclient "ollie/toolsrv/client"
+	"ollie/util"
 )
 
 // SessionInfra holds the tool server infrastructure for a session.
@@ -74,7 +74,7 @@ func SetupToolServer(cfg ToolServerConfig) (*SessionInfra, error) {
 			ToolsConn:     newToolServer(),
 			NewToolServer: newToolServer,
 			Platform:      "linux",
-			IsGitRepo:     paths.IsGitRepo(cfg.CWD),
+			IsGitRepo:     util.IsGitRepo(cfg.CWD),
 		}, nil
 	}
 	var proc *toolclient.Process
@@ -134,7 +134,7 @@ func SetupToolServer(cfg ToolServerConfig) (*SessionInfra, error) {
 			return conn
 		}
 		platform = "linux"
-		isGitRepo = paths.IsGitRepo(cfg.CWD)
+		isGitRepo = util.IsGitRepo(cfg.CWD)
 	}
 
 	toolsConn := newToolServer()
diff --git a/cmd/olliesrv/internal/toolclient/spawn.go b/cmd/olliesrv/internal/toolclient/spawn.go
index ef41f2a..b3a6581 100644
--- a/cmd/olliesrv/internal/toolclient/spawn.go
+++ b/cmd/olliesrv/internal/toolclient/spawn.go
@@ -17,8 +17,8 @@ import (
 	"syscall"
 	"time"
 
-	"ollie/paths"
 	toolsrvclient "ollie/toolsrv/client"
+	"ollie/util"
 )
 
 // Process represents a running toolsrv process.
@@ -148,13 +148,13 @@ type RemoteConfig struct {
 // remote host, then starts toolsrv with SSH Unix socket forwarding.
 func SpawnRemote(ctx context.Context, cfg RemoteConfig) (*Process, error) {
 	// Verify local config dir exists
-	cfgDir := paths.CfgDir()
+	cfgDir := util.CfgDir()
 	if _, err := os.Stat(cfgDir); err != nil {
 		return nil, fmt.Errorf("local config dir not found at %s", cfgDir)
 	}
 
 	// Generate socket paths
-	sockDir := filepath.Join(paths.RuntimeDir(), "ollie")
+	sockDir := filepath.Join(util.RuntimeDir(), "ollie")
 	os.MkdirAll(sockDir, 0700)
 	localSock := filepath.Join(sockDir, fmt.Sprintf("remote-%d-%s.sock", os.Getpid(), randomHex(8)))
 	remoteSock := fmt.Sprintf("/tmp/ollie-toolsrv-%d-%s.sock", os.Getpid(), randomHex(8))
diff --git a/cmd/olliesrv/main.go b/cmd/olliesrv/main.go
index 830f718..a5c5672 100644
--- a/cmd/olliesrv/main.go
+++ b/cmd/olliesrv/main.go
@@ -14,7 +14,6 @@ import (
 	"ollie/cmd/olliesrv/internal/agent"
 	"ollie/cmd/olliesrv/internal/fs"
 	olog "ollie/log"
-	"ollie/paths"
 	"ollie/util"
 
 	"9fans.net/go/plan9/client"
@@ -57,7 +56,7 @@ func runServer(sockPath string) {
 	sink := olog.NewSink(os.Stdout, os.Stderr, olog.ParseLevel(os.Getenv("OLLIE_LOG"), olog.LevelWarn))
 
 	agentsDirs := agent.AgentsDirs()
-	sessionsDir := paths.DataDir() + "/sessions"
+	sessionsDir := util.DataDir() + "/sessions"
 
 	daemonCtx, daemonCancel := context.WithCancel(context.Background())
 	defer daemonCancel()
diff --git a/cmd/toolsrv/internal/exec/exec.go b/cmd/toolsrv/internal/exec/exec.go
index 3980a9d..1fd6bc7 100644
--- a/cmd/toolsrv/internal/exec/exec.go
+++ b/cmd/toolsrv/internal/exec/exec.go
@@ -16,9 +16,9 @@ import (
 
 	"ollie/cmd/toolsrv/internal/bypass"
 	"ollie/cmd/toolsrv/internal/sandbox"
-	"ollie/paths"
 	"ollie/toolsrv/metadata"
 	"ollie/toolsrv/protocol"
+	"ollie/util"
 )
 
 // Config contains all context needed for tool execution.
@@ -114,7 +114,7 @@ func ExecuteTool(ctx context.Context, info protocol.ToolInfo, args json.RawMessa
 func executeSandboxed(ctx context.Context, toolPath, stdinData, cwd string, envExtra map[string]string, timeout int, yolo bool, streamOut io.Writer, started chan *os.Process) (string, error) {
 	var sandboxCfg *sandbox.Config
 	if !yolo {
-		cfgPath := filepath.Join(paths.CfgDir(), "sandbox.yaml")
+		cfgPath := filepath.Join(util.CfgDir(), "sandbox.yaml")
 		f, err := os.Open(cfgPath)
 		if err != nil {
 			return "", fmt.Errorf("sandbox config not found: %w", err)
diff --git a/cmd/toolsrv/internal/sandbox/config.go b/cmd/toolsrv/internal/sandbox/config.go
index bb1b19b..bf24e00 100644
--- a/cmd/toolsrv/internal/sandbox/config.go
+++ b/cmd/toolsrv/internal/sandbox/config.go
@@ -8,7 +8,7 @@ import (
 	"regexp"
 	"strings"
 
-	"ollie/paths"
+	"ollie/util"
 
 	"gopkg.in/yaml.v3"
 )
@@ -106,7 +106,7 @@ func expandPath(pattern, cwd string, getenv EnvFunc) string {
 		return match
 	})
 
-	s = paths.ExpandHome(s)
+	s = util.ExpandHome(s)
 	return s
 }
 
diff --git a/cmd/toolsrv/internal/server/proc.go b/cmd/toolsrv/internal/server/proc.go
index cb546a5..1564371 100644
--- a/cmd/toolsrv/internal/server/proc.go
+++ b/cmd/toolsrv/internal/server/proc.go
@@ -18,8 +18,8 @@ import (
 
 	"ollie/cmd/toolsrv/internal/exec"
 	"ollie/cmd/toolsrv/internal/registry"
-	"ollie/paths"
 	"ollie/toolsrv/protocol"
+	"ollie/util"
 )
 
 // State implements the filesystem state for toolsrvclient.
@@ -119,7 +119,7 @@ func (st *State) CWD() string {
 // SetCWD sets the current working directory.
 func (st *State) SetCWD(dir string) {
 	st.mu.Lock()
-	st.cwd = paths.ExpandHome(dir)
+	st.cwd = util.ExpandHome(dir)
 	st.mu.Unlock()
 }
 
diff --git a/cmd/toolsrv/main.go b/cmd/toolsrv/main.go
index b244486..de9f8b9 100644
--- a/cmd/toolsrv/main.go
+++ b/cmd/toolsrv/main.go
@@ -29,10 +29,9 @@ import (
 	"ollie/cmd/toolsrv/internal/registry"
 	"ollie/cmd/toolsrv/internal/server"
 	lib9p "ollie/lib9p/client"
-	"ollie/util"
 
 	olog "ollie/log"
-	"ollie/paths"
+	"ollie/util"
 )
 
 var (
@@ -66,7 +65,7 @@ func main() {
 	}
 
 	// Expand ~ in CWD (shell doesn't expand ~ in arguments).
-	*cwd = paths.ExpandHome(*cwd)
+	*cwd = util.ExpandHome(*cwd)
 
 	// Set up logger
 	sink := olog.NewSink(os.Stdout, os.Stderr, olog.LevelInfo)
diff --git a/tools/lsp/adapter.go b/tools/lsp/adapter.go
index 0f5aac9..e5022d8 100644
--- a/tools/lsp/adapter.go
+++ b/tools/lsp/adapter.go
@@ -3,7 +3,7 @@ package lsp
 import (
 	"path/filepath"
 
-	"ollie/paths"
+	"ollie/util"
 )
 
 // Adapter describes an LSP server for a specific language.
@@ -109,7 +109,7 @@ func LanguageID(path string) string {
 
 // SockPath returns the path to the bridge Unix socket.
 func SockPath() string {
-	return filepath.Join(paths.RuntimeDir(), "ollie-lsp.sock")
+	return filepath.Join(util.RuntimeDir(), "ollie-lsp.sock")
 }
 
 // PidPath returns the path to the bridge PID file.
diff --git a/util/env.go b/util/env.go
index acf21d5..c23bdaa 100644
--- a/util/env.go
+++ b/util/env.go
@@ -7,14 +7,12 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-
-	"ollie/paths"
 )
 
 // EnsureEnv loads $XDG_CONFIG_HOME/ollie/env and sets default values for any
 // OLLIE_* vars not already present in the process environment.
 func EnsureEnv() {
-	f, err := os.Open(filepath.Join(paths.CfgDir(), "env"))
+	f, err := os.Open(filepath.Join(CfgDir(), "env"))
 	if err != nil {
 		return
 	}
@@ -39,7 +37,7 @@ func EnsureEnv() {
 			v = v[1 : len(v)-1]
 		}
 		if k != "" && os.Getenv(k) == "" {
-			os.Setenv(k, paths.ExpandHome(os.ExpandEnv(v))) //nolint:errcheck
+			os.Setenv(k, ExpandHome(os.ExpandEnv(v))) //nolint:errcheck
 		}
 	}
 }
diff --git a/paths/paths.go b/util/paths.go
similarity index 99%
rename from paths/paths.go
rename to util/paths.go
index 36be5da..4841e99 100644
--- a/paths/paths.go
+++ b/util/paths.go
@@ -1,4 +1,4 @@
-package paths
+package util
 
 import (
 	"fmt"
diff --git a/paths/paths_test.go b/util/paths_test.go
similarity index 98%
rename from paths/paths_test.go
rename to util/paths_test.go
index 69d148d..4eca5f5 100644
--- a/paths/paths_test.go
+++ b/util/paths_test.go
@@ -1,4 +1,4 @@
-package paths
+package util
 
 import (
 	"os"
diff --git a/paths/uuid.go b/util/uuid.go
similarity index 96%
rename from paths/uuid.go
rename to util/uuid.go
index e2c295c..b162bb7 100644
--- a/paths/uuid.go
+++ b/util/uuid.go
@@ -1,4 +1,4 @@
-package paths
+package util
 
 import (
 	"crypto/rand"