refactor: restructure LLM module with provider registry pattern

go.mod

@@ -8,20 +8,25 @@ require (
 )
 
 require (
-	github.com/manifoldco/promptui v0.9.0
+	github.com/AlecAivazis/survey/v2 v2.3.7
 	github.com/modelcontextprotocol/go-sdk v1.1.0
 	github.com/stretchr/testify v1.11.1
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
 )
 
 require (
-	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/google/jsonschema-go v0.3.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
+	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/mattn/go-isatty v0.0.8 // indirect
+	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	golang.org/x/oauth2 v0.30.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
+	golang.org/x/text v0.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,20 +1,29 @@
-github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ=
+github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2 h1:+vx7roKuyA63nhn5WAunQHLTznkw5W8b1Xc0dNjp83s=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
+github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/jsonschema-go v0.3.0 h1:6AH2TxVNtk3IlvkkhjrtbUc4S8AvO0Xii0DxIygDg+Q=
 github.com/google/jsonschema-go v0.3.0/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec h1:qv2VnGeEQHchGaZ/u7lxST/RaJw+cv273q79D81Xbog=
+github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec/go.mod h1:Q48J4R4DvxnHolD5P8pOtXigYlRuPLGl6moFx3ulM68=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/manifoldco/promptui v0.9.0 h1:3V4HzJk1TtXW1MTZMP7mdlwbBpIinw3HztaIlYthEiA=
-github.com/manifoldco/promptui v0.9.0/go.mod h1:ka04sppxSGFAtxX0qhlYQjISsg9mR4GWtQEhdbn6Pgg=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b h1:j7+1HpAFS1zy5+Q4qx1fWh90gTKwiN4QCGoY9TWyyO4=
+github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/modelcontextprotocol/go-sdk v1.1.0 h1:Qjayg53dnKC4UZ+792W21e4BpwEZBzwgRW6LrjLWSwA=
 github.com/modelcontextprotocol/go-sdk v1.1.0/go.mod h1:6fM3LCm3yV7pAs8isnKLn07oKtB0MP9LHd3DfAcKw10=
 github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 h1:KoWmjvw+nsYOo29YJK9vDA65RGE3NrOnUtO7a+RF9HU=
@@ -27,19 +36,48 @@ github.com/spf13/cobra v1.10.1/go.mod h1:7SmJGaTHFVBY0jW4NXGluQoLvhqFQM+6XSKD+P4
 github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/yosida95/uritemplate/v3 v3.0.2 h1:Ed3Oyj9yrmi9087+NczuL5BwkIc4wvTb5zIM+UJPGz4=
 github.com/yosida95/uritemplate/v3 v3.0.2/go.mod h1:ILOh0sOhIJR3+L/8afwt/kE++YT040gmv5BQTMR2HP4=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
 golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210616045830-e2b7044e8c71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
 golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
 golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/adapter/adapter.go

@@ -114,8 +114,9 @@ type LinterConverter interface {
 	// These hints are collected and included in the LLM prompt for rule routing.
 	GetRoutingHints() []string
 
-	// ConvertRules converts user rules to native linter configuration using LLM
-	ConvertRules(ctx context.Context, rules []schema.UserRule, llmClient *llm.Client) (*LinterConfig, error)
+	// ConvertRules converts user rules to native linter configuration using LLM.
+	// Returns ConversionResult with per-rule success/failure tracking for fallback support.
+	ConvertRules(ctx context.Context, rules []schema.UserRule, provider llm.Provider) (*ConversionResult, error)
 }
 
 // LinterConfig represents a generated configuration file.
@@ -124,3 +125,12 @@ type LinterConfig struct {
 	Content  []byte // File content
 	Format   string // "json", "xml", "yaml"
 }
+
+// ConversionResult contains the conversion output with per-rule tracking.
+// This allows the main converter to know which rules succeeded vs failed,
+// enabling fallback to llm-validator for failed rules.
+type ConversionResult struct {
+	Config       *LinterConfig // Generated config file (may be nil if all rules failed)
+	SuccessRules []string      // Rule IDs that converted successfully
+	FailedRules  []string      // Rule IDs that couldn't be converted (fallback to llm-validator)
+}

internal/adapter/checkstyle/converter.go

@@ -64,15 +64,17 @@ type checkstyleConfig struct {
 	Modules []checkstyleModule `xml:"module"`
 }
 
-// ConvertRules converts user rules to Checkstyle configuration using LLM
-func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, llmClient *llm.Client) (*adapter.LinterConfig, error) {
-	if llmClient == nil {
-		return nil, fmt.Errorf("LLM client is required")
+// ConvertRules converts user rules to Checkstyle configuration using LLM.
+// Returns ConversionResult with per-rule success/failure tracking for fallback support.
+func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, provider llm.Provider) (*adapter.ConversionResult, error) {
+	if provider == nil {
+		return nil, fmt.Errorf("LLM provider is required")
 	}
 
 	// Convert rules in parallel
 	type moduleResult struct {
 		index  int
+		ruleID string
 		module *checkstyleModule
 		err    error
 	}
@@ -85,9 +87,10 @@ func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, l
 		go func(idx int, r schema.UserRule) {
 			defer wg.Done()
 
-			module, err := c.convertSingleRule(ctx, r, llmClient)
+			module, err := c.convertSingleRule(ctx, r, provider)
 			results <- moduleResult{
 				index:  idx,
+				ruleID: r.ID,
 				module: module,
 				err:    err,
 			}
@@ -99,23 +102,34 @@ func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, l
 		close(results)
 	}()
 
-	// Collect modules
+	// Collect modules with per-rule tracking
 	var modules []checkstyleModule
-	var errors []string
+	successRuleIDs := make([]string, 0)
+	failedRuleIDs := make([]string, 0)
 
 	for result := range results {
 		if result.err != nil {
-			errors = append(errors, fmt.Sprintf("Rule %d: %v", result.index+1, result.err))
+			failedRuleIDs = append(failedRuleIDs, result.ruleID)
 			continue
 		}
 
 		if result.module != nil {
 			modules = append(modules, *result.module)
+			successRuleIDs = append(successRuleIDs, result.ruleID)
+		} else {
+			// Skipped = cannot be enforced by this linter
+			failedRuleIDs = append(failedRuleIDs, result.ruleID)
 		}
 	}
 
+	// Build result with tracking info
+	convResult := &adapter.ConversionResult{
+		SuccessRules: successRuleIDs,
+		FailedRules:  failedRuleIDs,
+	}
+
 	if len(modules) == 0 {
-		return nil, fmt.Errorf("no rules converted: %v", errors)
+		return convResult, nil
 	}
 
 	// Separate modules into Checker-level and TreeWalker-level
@@ -173,15 +187,17 @@ func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, l
 `
 	fullContent := []byte(xmlHeader + string(content))
 
-	return &adapter.LinterConfig{
+	convResult.Config = &adapter.LinterConfig{
 		Filename: "checkstyle.xml",
 		Content:  fullContent,
 		Format:   "xml",
-	}, nil
+	}
+
+	return convResult, nil
 }
 
 // convertSingleRule converts a single rule using LLM
-func (c *Converter) convertSingleRule(ctx context.Context, rule schema.UserRule, llmClient *llm.Client) (*checkstyleModule, error) {
+func (c *Converter) convertSingleRule(ctx context.Context, rule schema.UserRule, provider llm.Provider) (*checkstyleModule, error) {
 	systemPrompt := `You are a Checkstyle configuration expert. Convert natural language Java coding rules to Checkstyle modules.
 
 Return ONLY a JSON object (no markdown fences):
@@ -255,8 +271,9 @@ Output:
 
 	userPrompt := fmt.Sprintf("Convert this Java rule to Checkstyle module:\n\n%s", rule.Say)
 
-	// Call LLM with minimal complexity
-	response, err := llmClient.Request(systemPrompt, userPrompt).WithComplexity(llm.ComplexityMinimal).Execute(ctx)
+	// Call LLM
+	prompt := systemPrompt + "\n\n" + userPrompt
+	response, err := provider.Execute(ctx, prompt, llm.JSON)
 	if err != nil {
 		return nil, fmt.Errorf("LLM call failed: %w", err)
 	}

internal/adapter/eslint/converter.go

@@ -45,15 +45,17 @@ func (c *Converter) GetRoutingHints() []string {
 	}
 }
 
-// ConvertRules converts user rules to ESLint configuration using LLM
-func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, llmClient *llm.Client) (*adapter.LinterConfig, error) {
-	if llmClient == nil {
-		return nil, fmt.Errorf("LLM client is required")
+// ConvertRules converts user rules to ESLint configuration using LLM.
+// Returns ConversionResult with per-rule success/failure tracking for fallback support.
+func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, provider llm.Provider) (*adapter.ConversionResult, error) {
+	if provider == nil {
+		return nil, fmt.Errorf("LLM provider is required")
 	}
 
 	// Convert rules in parallel using goroutines
 	type ruleResult struct {
 		index    int
+		ruleID   string
 		ruleName string
 		config   interface{}
 		err      error
@@ -68,9 +70,10 @@ func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, l
 		go func(idx int, r schema.UserRule) {
 			defer wg.Done()
 
-			ruleName, config, err := c.convertSingleRule(ctx, r, llmClient)
+			ruleName, config, err := c.convertSingleRule(ctx, r, provider)
 			results <- ruleResult{
 				index:    idx,
+				ruleID:   r.ID,
 				ruleName: ruleName,
 				config:   config,
 				err:      err,
@@ -84,64 +87,67 @@ func (c *Converter) ConvertRules(ctx context.Context, rules []schema.UserRule, l
 		close(results)
 	}()
 
-	// Collect results
+	// Collect results with per-rule tracking
 	eslintRules := make(map[string]interface{})
-	var errors []string
-	skippedCount := 0
+	successRuleIDs := make([]string, 0)
+	failedRuleIDs := make([]string, 0)
 
 	for result := range results {
 		if result.err != nil {
-			errors = append(errors, fmt.Sprintf("Rule %d: %v", result.index+1, result.err))
-			fmt.Fprintf(os.Stderr, "⚠️  ESLint rule %d conversion error: %v\n", result.index+1, result.err)
+			failedRuleIDs = append(failedRuleIDs, result.ruleID)
+			fmt.Fprintf(os.Stderr, "⚠️  ESLint rule %s conversion error: %v\n", result.ruleID, result.err)
 			continue
 		}
 
 		if result.ruleName != "" {
 			eslintRules[result.ruleName] = result.config
-			fmt.Fprintf(os.Stderr, "✓ ESLint rule %d → %s\n", result.index+1, result.ruleName)
+			successRuleIDs = append(successRuleIDs, result.ruleID)
+			fmt.Fprintf(os.Stderr, "✓ ESLint rule %s → %s\n", result.ruleID, result.ruleName)
 		} else {
-			skippedCount++
-			fmt.Fprintf(os.Stderr, "⊘ ESLint rule %d skipped (cannot be enforced by ESLint)\n", result.index+1)
+			// Skipped = cannot be enforced by this linter, fallback to llm-validator
+			failedRuleIDs = append(failedRuleIDs, result.ruleID)
+			fmt.Fprintf(os.Stderr, "⊘ ESLint rule %s skipped (cannot be enforced by ESLint)\n", result.ruleID)
 		}
 	}
 
-	if skippedCount > 0 {
-		fmt.Fprintf(os.Stderr, "ℹ️  %d rule(s) skipped for ESLint (will use llm-validator)\n", skippedCount)
+	// Build result with tracking info
+	convResult := &adapter.ConversionResult{
+		SuccessRules: successRuleIDs,
+		FailedRules:  failedRuleIDs,
 	}
 
-	if len(eslintRules) == 0 {
-		return nil, fmt.Errorf("no rules converted successfully: %v", errors)
-	}
+	// Generate config only if at least one rule succeeded
+	if len(eslintRules) > 0 {
+		eslintConfig := map[string]interface{}{
+			"env": map[string]bool{
+				"es2021":  true,
+				"node":    true,
+				"browser": true,
+			},
+			"parserOptions": map[string]interface{}{
+				"ecmaVersion": "latest",
+				"sourceType":  "module",
+			},
+			"rules": eslintRules,
+		}
 
-	// Build ESLint configuration
-	eslintConfig := map[string]interface{}{
-		"env": map[string]bool{
-			"es2021":  true,
-			"node":    true,
-			"browser": true,
-		},
-		"parserOptions": map[string]interface{}{
-			"ecmaVersion": "latest",
-			"sourceType":  "module",
-		},
-		"rules": eslintRules,
-	}
+		content, err := json.MarshalIndent(eslintConfig, "", "  ")
+		if err != nil {
+			return nil, fmt.Errorf("failed to marshal config: %w", err)
+		}
 
-	// Marshal to JSON
-	content, err := json.MarshalIndent(eslintConfig, "", "  ")
-	if err != nil {
-		return nil, fmt.Errorf("failed to marshal config: %w", err)
+		convResult.Config = &adapter.LinterConfig{
+			Filename: ".eslintrc.json",
+			Content:  content,
+			Format:   "json",
+		}
 	}
 
-	return &adapter.LinterConfig{
-		Filename: ".eslintrc.json",
-		Content:  content,
-		Format:   "json",
-	}, nil
+	return convResult, nil
 }
 
 // convertSingleRule converts a single user rule to ESLint rule using LLM
-func (c *Converter) convertSingleRule(ctx context.Context, rule schema.UserRule, llmClient *llm.Client) (string, interface{}, error) {
+func (c *Converter) convertSingleRule(ctx context.Context, rule schema.UserRule, provider llm.Provider) (string, interface{}, error) {
 	systemPrompt := `You are an ESLint configuration expert. Convert natural language coding rules to ESLint rule configurations.
 
 Return ONLY a JSON object (no markdown fences) with this structure:
@@ -217,8 +223,9 @@ Output:
 		userPrompt += fmt.Sprintf("\nSeverity: %s", rule.Severity)
 	}
 
-	// Call LLM with minimal complexity
-	response, err := llmClient.Request(systemPrompt, userPrompt).WithComplexity(llm.ComplexityMinimal).Execute(ctx)
+	// Call LLM
+	prompt := systemPrompt + "\n\n" + userPrompt
+	response, err := provider.Execute(ctx, prompt, llm.JSON)
 	if err != nil {
 		return "", nil, fmt.Errorf("LLM call failed: %w", err)
 	}