fix(providers,tools): address linter issues after reorg

pkg/providers/facade_compat_test.go

@@ -38,15 +38,7 @@ func TestNormalizeToolCallFacadeMatchesCLIProvider(t *testing.T) {
 }
 
 func TestAntigravityFacadeSignaturesRemainAvailable(t *testing.T) {
-	var projectFetcher func(string) (string, error) = FetchAntigravityProjectID
-	var modelsFetcher func(string, string) ([]AntigravityModelInfo, error) = FetchAntigravityModels
-
-	if projectFetcher == nil {
-		t.Fatal("FetchAntigravityProjectID facade should be available")
-	}
-	if modelsFetcher == nil {
-		t.Fatal("FetchAntigravityModels facade should be available")
-	}
-
+	var _ func(string) (string, error) = FetchAntigravityProjectID
+	var _ func(string, string) ([]AntigravityModelInfo, error) = FetchAntigravityModels
 	var _ AntigravityModelInfo = oauthprovider.AntigravityModelInfo{}
 }

pkg/tools/fs_facade.go

@@ -20,7 +20,12 @@ type (
 
 const MaxReadFileSize = fstools.MaxReadFileSize
 
-func NewReadFileTool(workspace string, restrict bool, maxReadFileSize int, allowPaths ...[]*regexp.Regexp) *ReadFileTool {
+func NewReadFileTool(
+	workspace string,
+	restrict bool,
+	maxReadFileSize int,
+	allowPaths ...[]*regexp.Regexp,
+) *ReadFileTool {
 	return fstools.NewReadFileTool(workspace, restrict, maxReadFileSize, allowPaths...)
 }
 
@@ -42,19 +47,35 @@ func NewReadFileLinesTool(
 	return fstools.NewReadFileLinesTool(workspace, restrict, maxReadFileSize, allowPaths...)
 }
 
-func NewWriteFileTool(workspace string, restrict bool, allowPaths ...[]*regexp.Regexp) *WriteFileTool {
+func NewWriteFileTool(
+	workspace string,
+	restrict bool,
+	allowPaths ...[]*regexp.Regexp,
+) *WriteFileTool {
 	return fstools.NewWriteFileTool(workspace, restrict, allowPaths...)
 }
 
-func NewListDirTool(workspace string, restrict bool, allowPaths ...[]*regexp.Regexp) *ListDirTool {
+func NewListDirTool(
+	workspace string,
+	restrict bool,
+	allowPaths ...[]*regexp.Regexp,
+) *ListDirTool {
 	return fstools.NewListDirTool(workspace, restrict, allowPaths...)
 }
 
-func NewEditFileTool(workspace string, restrict bool, allowPaths ...[]*regexp.Regexp) *EditFileTool {
+func NewEditFileTool(
+	workspace string,
+	restrict bool,
+	allowPaths ...[]*regexp.Regexp,
+) *EditFileTool {
 	return fstools.NewEditFileTool(workspace, restrict, allowPaths...)
 }
 
-func NewAppendFileTool(workspace string, restrict bool, allowPaths ...[]*regexp.Regexp) *AppendFileTool {
+func NewAppendFileTool(
+	workspace string,
+	restrict bool,
+	allowPaths ...[]*regexp.Regexp,
+) *AppendFileTool {
 	return fstools.NewAppendFileTool(workspace, restrict, allowPaths...)
 }
 

pkg/tools/hardware/i2c.go

@@ -120,16 +120,12 @@ func (t *I2CTool) detect() *ToolResult {
 // Helper functions for I2C operations (used by platform-specific implementations)
 
 // isValidBusID checks that a bus identifier is a simple number (prevents path injection)
-//
-//nolint:unused // Used by i2c_linux.go
 func isValidBusID(id string) bool {
 	matched, _ := regexp.MatchString(`^\d+$`, id)
 	return matched
 }
 
 // parseI2CAddress extracts and validates an I2C address from args
-//
-//nolint:unused // Used by i2c_linux.go
 func parseI2CAddress(args map[string]any) (int, *ToolResult) {
 	addrFloat, ok := args["address"].(float64)
 	if !ok {
@@ -143,8 +139,6 @@ func parseI2CAddress(args map[string]any) (int, *ToolResult) {
 }
 
 // parseI2CBus extracts and validates an I2C bus from args
-//
-//nolint:unused // Used by i2c_linux.go
 func parseI2CBus(args map[string]any) (string, *ToolResult) {
 	bus, ok := args["bus"].(string)
 	if !ok || bus == "" {
@@ -155,3 +149,9 @@ func parseI2CBus(args map[string]any) (string, *ToolResult) {
 	}
 	return bus, nil
 }
+
+var (
+	_ = isValidBusID
+	_ = parseI2CAddress
+	_ = parseI2CBus
+)

pkg/tools/hardware/spi.go

@@ -122,8 +122,6 @@ func (t *SPITool) list() *ToolResult {
 // Helper function for SPI operations (used by platform-specific implementations)
 
 // parseSPIArgs extracts and validates common SPI parameters
-//
-//nolint:unused // Used by spi_linux.go
 func parseSPIArgs(args map[string]any) (device string, speed uint32, mode uint8, bits uint8, errMsg string) {
 	dev, ok := args["device"].(string)
 	if !ok || dev == "" {
@@ -160,3 +158,5 @@ func parseSPIArgs(args map[string]any) (device string, speed uint32, mode uint8,
 
 	return dev, speed, mode, bits, ""
 }
+
+var _ = parseSPIArgs

pkg/tools/integration_facade.go

@@ -1,8 +1,6 @@
 package tools
 
 import (
-	"context"
-
 	"github.com/modelcontextprotocol/go-sdk/mcp"
 
 	"github.com/sipeed/picoclaw/pkg/audio/tts"
@@ -101,5 +99,3 @@ func NewWebFetchToolWithConfig(
 ) (*WebFetchTool, error) {
 	return integrationtools.NewWebFetchToolWithConfig(maxChars, proxy, format, fetchLimitBytes, privateHostWhitelist)
 }
-
-func _keepContext(context.Context) {}