fix(cli): align help with README

.trellis/tasks/archive/2026-04/04-17-04-17-align-readme-cli-help/task.json

@@ -0,0 +1,53 @@
+{
+  "id": "04-17-align-readme-cli-help",
+  "name": "04-17-align-readme-cli-help",
+  "title": "Align README and CLI help",
+  "description": "",
+  "status": "completed",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Apale",
+  "assignee": "Apale",
+  "createdAt": "2026-04-17",
+  "completedAt": "2026-04-17",
+  "branch": null,
+  "base_branch": "master",
+  "worktree_path": null,
+  "current_phase": 0,
+  "next_action": [
+    {
+      "phase": 1,
+      "action": "brainstorm"
+    },
+    {
+      "phase": 2,
+      "action": "research"
+    },
+    {
+      "phase": 3,
+      "action": "implement"
+    },
+    {
+      "phase": 4,
+      "action": "check"
+    },
+    {
+      "phase": 5,
+      "action": "update-spec"
+    },
+    {
+      "phase": 6,
+      "action": "record-session"
+    }
+  ],
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}

README.md

@@ -357,6 +357,8 @@ olpx opencode sync --help
 olpx --config /path/to/config.json doctor
 ```
 
+命令级行为、默认值、写入范围与副作用，以对应命令的 `--help` 为准；README 主要保留快速上手与背景说明。
+
 一个最小配置示例：
 
 ```json

README_EN.md

@@ -91,6 +91,10 @@ interactions when the same provider is shared across multiple aliases.
 
 ## CLI reference
 
+For exact command behavior, defaults, write scope, and side effects, prefer the
+matching `--help` page. This README is the quick-start narrative, while CLI help
+is the authoritative local execution contract.
+
 - `olpx serve` — run the proxy
 - `olpx doctor` — validate config
 - `olpx provider {add,list,enable,disable,remove,import-opencode}`

internal/cli/alias.go

@@ -14,6 +14,19 @@ func newAliasCmd() *cobra.Command {
 	c := &cobra.Command{
 		Use:   "alias",
 		Short: "Manage logical aliases routed by olpx",
+		Long: `Alias commands manage the user-facing model names that OpenCode sees as
+olpx/<alias>.
+
+Each alias contains an ordered target chain of provider/model pairs. Target
+order is operational: olpx tries targets in order and only fails over before any
+response bytes are sent downstream.
+
+Common workflow: create an alias, bind primary and fallback targets, inspect the
+result with alias list, then run doctor and opencode sync.`,
+		Example: `  olpx alias add --name gpt-5.4 --display-name "GPT 5.4"
+  olpx alias bind --alias gpt-5.4 --provider su8 --model gpt-5.4
+  olpx alias bind --alias gpt-5.4 --provider codex --model GPT-5.4
+  olpx alias list`,
 	}
 	c.AddCommand(newAliasAddCmd(), newAliasListCmd(), newAliasBindCmd(), newAliasUnbindCmd(), newAliasRemoveCmd())
 	return c
@@ -25,6 +38,18 @@ func newAliasAddCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "add",
 		Short: "Create or update an alias (without targets)",
+		Long: `alias add creates or updates alias metadata in local olpx config.
+
+It writes the alias record itself, but it does not add or validate targets.
+Enabled aliases still need at least one routable target before doctor and
+opencode sync will treat them as usable.
+
+When updating an existing alias, omitted display-name preserves the current
+value and existing targets stay attached. Typical next step: add targets with
+olpx alias bind.`,
+		Example: `  olpx alias add --name gpt-5.4 --display-name "GPT 5.4"
+  olpx alias add --name gpt-5.4-mini --disabled
+  olpx alias add --name gpt-5.4 --display-name "GPT 5.4 Reasoning"`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if name == "" {
 				return fmt.Errorf("--name is required")
@@ -63,6 +88,16 @@ func newAliasListCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "list",
 		Short: "List aliases and their target chains",
+		Long: `alias list prints aliases from local olpx config together with their target
+chains.
+
+Output shows alias enabled state, target order, target enabled markers, and a
+note when a referenced provider is missing or disabled. This is the easiest way
+to verify failover order before running doctor or opencode sync.
+
+This command does not modify config and does not contact upstream providers.`,
+		Example: `  olpx alias list
+  olpx --config /path/to/config.json alias list`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {
@@ -107,6 +142,18 @@ func newAliasBindCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "bind",
 		Short: "Append a target (provider/model) to an alias in failover order",
+		Long: `alias bind appends one provider/model target to an alias's ordered failover
+chain in local olpx config.
+
+The provider must already exist. If the alias does not exist yet, this command
+auto-creates an enabled alias for convenience. Binding does not test upstream
+health or credentials.
+
+Order matters: the first bound target is tried first, the second is fallback,
+and so on. Typical next step: inspect with alias list, then run doctor.`,
+		Example: `  olpx alias bind --alias gpt-5.4 --provider su8 --model gpt-5.4
+  olpx alias bind --alias gpt-5.4 --provider codex --model GPT-5.4
+  olpx alias bind --alias gpt-5.4 --provider relay --model gpt-5.4 --disabled`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if alias == "" || provider == "" || model == "" {
 				return fmt.Errorf("--alias, --provider and --model are required")
@@ -144,6 +191,17 @@ func newAliasUnbindCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "unbind",
 		Short: "Remove a target from an alias",
+		Long: `alias unbind removes one concrete provider/model target tuple from an alias in
+local olpx config.
+
+It does not delete the alias itself. Removing a target can leave the alias with
+no routable targets, which doctor and opencode sync will then treat as invalid
+or unavailable.
+
+Typical next step: run alias list or doctor to confirm the remaining target
+chain.`,
+		Example: `  olpx alias unbind --alias gpt-5.4 --provider codex --model GPT-5.4
+  olpx doctor`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if alias == "" || provider == "" || model == "" {
 				return fmt.Errorf("--alias, --provider and --model are required")
@@ -173,6 +231,16 @@ func newAliasRemoveCmd() *cobra.Command {
 		Use:   "remove <alias>",
 		Args:  cobra.ExactArgs(1),
 		Short: "Delete an alias entirely",
+		Long: `alias remove deletes one alias and all of its target bindings from local olpx
+config.
+
+Future opencode sync runs will stop exposing that alias in provider.olpx.models.
+This command does not directly clear top-level model selections that may still
+reference the old alias in OpenCode config.
+
+Typical next step: run olpx opencode sync if OpenCode exposure should be updated.`,
+		Example: `  olpx alias remove gpt-5.4
+  olpx opencode sync`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {

internal/cli/cli_test.go

@@ -4,8 +4,11 @@ import (
 	"bytes"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 
+	"github.com/spf13/cobra"
+
 	"github.com/anomalyco/opencode-provider-switch/internal/config"
 )
 
@@ -220,3 +223,69 @@ func TestOpencodeSyncDoesNotPanicOnSliceModelMetadata(t *testing.T) {
 		t.Fatalf("sync rewrote unchanged config:\n%s", string(data))
 	}
 }
+
+func TestHelpTextIncludesOperationalGuidance(t *testing.T) {
+	tests := []struct {
+		name        string
+		cmd         *cobra.Command
+		wantLong    []string
+		wantExample []string
+	}{
+		{
+			name:        "root",
+			cmd:         NewRootCmd("test"),
+			wantLong:    []string{"Typical workflow:", "prefer command-local --help over README summaries"},
+			wantExample: []string{"olpx provider add", "olpx serve"},
+		},
+		{
+			name:        "provider add",
+			cmd:         newProviderAddCmd(),
+			wantLong:    []string{"--base-url must point at an", "omitted mutable fields keep their current", "values: name, api key, headers"},
+			wantExample: []string{"olpx provider add --id relay", "--header X-Workspace=my-team"},
+		},
+		{
+			name:        "alias bind",
+			cmd:         newAliasBindCmd(),
+			wantLong:    []string{"auto-creates an enabled alias", "Order matters:"},
+			wantExample: []string{"--provider codex --model GPT-5.4", "--disabled"},
+		},
+		{
+			name:        "opencode sync",
+			cmd:         newOpencodeSyncCmd(),
+			wantLong:    []string{"does not follow", "writes alias", "exposure into provider.olpx.models"},
+			wantExample: []string{"--dry-run", "--set-small-model olpx/gpt-5.4-mini"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.cmd.Long == "" {
+				t.Fatal("Long help is empty")
+			}
+			if tt.cmd.Example == "" {
+				t.Fatal("Example help is empty")
+			}
+			for _, want := range tt.wantLong {
+				if !strings.Contains(tt.cmd.Long, want) {
+					t.Fatalf("Long help missing %q\n%s", want, tt.cmd.Long)
+				}
+			}
+			for _, want := range tt.wantExample {
+				if !strings.Contains(tt.cmd.Example, want) {
+					t.Fatalf("Example help missing %q\n%s", want, tt.cmd.Example)
+				}
+			}
+		})
+	}
+
+	root := NewRootCmd("test")
+	flag := root.PersistentFlags().Lookup("config")
+	if flag == nil {
+		t.Fatal("--config flag not found")
+	}
+	for _, want := range []string{"$OLPX_CONFIG", "$XDG_CONFIG_HOME/olpx/config.json", "~/.config/olpx/config.json"} {
+		if !strings.Contains(flag.Usage, want) {
+			t.Fatalf("config flag usage missing %q: %s", want, flag.Usage)
+		}
+	}
+}

internal/cli/doctor.go

@@ -12,6 +12,18 @@ func newDoctorCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "doctor",
 		Short: "Validate olpx config (static checks, no upstream requests)",
+		Long: `doctor performs static validation for local olpx config and the expected
+OpenCode sync result.
+
+It loads local olpx config, checks alias/provider consistency, resolves the
+default OpenCode sync target, and validates what provider.olpx would look like
+there. It does not send any real requests to upstream providers and does not
+consume model quota.
+
+Run doctor before opencode sync or serve whenever you changed providers,
+aliases, or local server settings.`,
+		Example: `  olpx doctor
+  olpx --config /path/to/config.json doctor`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {

internal/cli/opencode.go

@@ -12,6 +12,17 @@ func newOpencodeCmd() *cobra.Command {
 	c := &cobra.Command{
 		Use:   "opencode",
 		Short: "OpenCode integration commands",
+		Long: `OpenCode commands manage the narrow integration boundary between olpx and
+OpenCode config.
+
+These commands do not attempt full OpenCode config takeover. They are limited to
+the provider.olpx sync path and optional top-level model fields when you opt in
+explicitly.
+
+Common workflow: validate with doctor first, inspect sync help, then run
+opencode sync.`,
+		Example: `  olpx opencode sync --dry-run
+  olpx opencode sync --set-model olpx/gpt-5.4`,
 	}
 	c.AddCommand(newOpencodeSyncCmd())
 	return c
@@ -30,7 +41,21 @@ func newOpencodeSyncCmd() *cobra.Command {
 By default it targets the global user config (~/.config/opencode), picking the
 existing file in precedence order opencode.jsonc > opencode.json > config.json,
 or creating opencode.jsonc if none exists. It does NOT touch the top-level
-"model" or "small_model" unless --set-model / --set-small-model are given.`,
+"model" or "small_model" unless --set-model / --set-small-model are given.
+
+The default target scope is only the global user config path; it does not follow
+OPENCODE_CONFIG_DIR unless you pass --target yourself. The command writes alias
+exposure into provider.olpx.models using only aliases that are currently
+routable.
+
+Use --dry-run to preview the resolved target file without writing it. Typical
+workflow: run olpx doctor first, then sync, then start or restart olpx serve if
+needed.`,
+		Example: `  olpx opencode sync
+  olpx opencode sync --dry-run
+  olpx opencode sync --set-model olpx/gpt-5.4
+  olpx opencode sync --set-model olpx/gpt-5.4 --set-small-model olpx/gpt-5.4-mini
+  olpx opencode sync --target /path/to/opencode.jsonc`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {

internal/cli/provider.go

@@ -15,6 +15,18 @@ func newProviderCmd() *cobra.Command {
 	c := &cobra.Command{
 		Use:   "provider",
 		Short: "Manage upstream providers",
+		Long: `Provider commands manage upstream OpenAI-compatible endpoints stored in the
+local olpx config file.
+
+Providers are separate from aliases: a provider defines connection details such
+as base URL, API key, and extra headers, while aliases decide failover order by
+binding one or more provider/model targets.
+
+Common workflow: add or import providers first, inspect them with provider list,
+then bind them to aliases with olpx alias bind.`,
+		Example: `  olpx provider add --id su8 --base-url https://cn2.su8.codes/v1 --api-key sk-example
+  olpx provider import-opencode
+  olpx provider list`,
 	}
 	c.AddCommand(
 		newProviderAddCmd(),
@@ -34,6 +46,23 @@ func newProviderAddCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "add",
 		Short: "Add or update an upstream provider",
+		Long: `provider add creates or updates one upstream provider entry in local olpx
+config.
+
+It writes only the olpx config file. --base-url must point at an
+OpenAI-compatible /v1 root. The command validates that shape, but it does not
+contact the upstream or test credentials.
+
+When updating an existing provider, omitted mutable fields keep their current
+values: name, api key, headers, and disabled state are preserved unless you
+explicitly pass new values. Repeated --header KEY=VALUE entries replace the
+stored header map for this command invocation.
+
+Typical next step: run olpx provider list or bind the provider to an alias.`,
+		Example: `  olpx provider add --id su8 --base-url https://cn2.su8.codes/v1
+  olpx provider add --id su8 --base-url https://cn2.su8.codes/v1 --api-key sk-example
+  olpx provider add --id relay --base-url https://example.com/v1 --api-key sk-example --header X-Token=abc --header X-Workspace=my-team
+  olpx provider add --id su8 --base-url https://new.example.com/v1`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if id == "" || baseURL == "" {
 				return fmt.Errorf("--id and --base-url are required")
@@ -111,6 +140,15 @@ func newProviderListCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "list",
 		Short: "List configured providers",
+		Long: `provider list prints the providers currently stored in local olpx config.
+
+Output is inspection-oriented: provider ids, enabled state, base URLs, and
+redacted API keys are shown so you can confirm what was saved or imported before
+binding aliases.
+
+This command does not modify config and does not contact upstream providers.`,
+		Example: `  olpx provider list
+  olpx --config /path/to/config.json provider list`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {
@@ -155,6 +193,16 @@ func newProviderStateCmd(use string, disabled bool) *cobra.Command {
 		Use:   use + " <id>",
 		Args:  cobra.ExactArgs(1),
 		Short: strings.Title(action[:len(action)-1]) + " a provider without changing alias target state",
+		Long: fmt.Sprintf(`provider %s flips one provider's disabled state in local olpx config.
+
+It changes routing eligibility for every alias target that references this
+provider, but it does not rewrite alias target enabled flags. This matters when
+the same provider is shared across multiple aliases.
+
+This command writes only the olpx config file and does not test upstream
+reachability. Typical next step: run olpx doctor to confirm routable aliases.`, use),
+		Example: fmt.Sprintf(`  olpx provider %s <id>
+  olpx doctor`, use),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {
@@ -181,6 +229,16 @@ func newProviderRemoveCmd() *cobra.Command {
 		Use:   "remove <id>",
 		Args:  cobra.ExactArgs(1),
 		Short: "Remove a provider (targets referencing it must be removed first or will fail doctor)",
+		Long: `provider remove deletes one provider from local olpx config.
+
+It does not automatically clean alias target references that still point at the
+removed provider. If aliases still reference it, doctor will report invalid
+config and those aliases will not be routable.
+
+Typical follow-up: inspect aliases, unbind stale targets, then run olpx doctor.`,
+		Example: `  olpx provider remove su8
+  olpx alias list
+  olpx doctor`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {
@@ -204,6 +262,22 @@ func newProviderImportCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "import-opencode",
 		Short: "Import @ai-sdk/openai custom providers from an OpenCode config file",
+		Long: `provider import-opencode reads an OpenCode config file and copies supported
+custom providers into local olpx config.
+
+By default it reads the global user OpenCode config resolved in precedence order
+opencode.jsonc > opencode.json > config.json under ~/.config/opencode (XDG
+aware). It does not follow OPENCODE_CONFIG_DIR for this default source; use
+--from when you want a different file.
+
+Only config-defined @ai-sdk/openai custom providers with both baseURL and apiKey
+are imported. Unsupported provider shapes are skipped by design. Existing olpx
+providers are skipped unless --overwrite is given.
+
+Typical next step: run olpx provider list, then create aliases and bindings.`,
+		Example: `  olpx provider import-opencode
+  olpx provider import-opencode --from /path/to/opencode.jsonc
+  olpx provider import-opencode --overwrite`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if srcPath == "" {
 				p, existed := opencode.ResolveGlobalConfigPath()

internal/cli/root.go

@@ -21,13 +21,36 @@ func loadCfg() (*config.Config, error) {
 // NewRootCmd builds the root olpx command.
 func NewRootCmd(version string) *cobra.Command {
 	root := &cobra.Command{
-		Use:           "olpx",
+		Use:   "olpx",
-		Short:         "OpenCode LocalProxy CLI: local alias + failover proxy for OpenCode",
+		Short: "OpenCode LocalProxy CLI: local alias + failover proxy for OpenCode",
+		Long: `olpx is a local OpenCode proxy that exposes stable aliases as olpx/<alias>
+while routing each alias to one or more upstream provider/model targets.
+
+Typical workflow:
+1. add or import upstream providers into local olpx config
+2. create aliases and bind ordered targets
+3. run doctor for static validation
+4. run opencode sync to write provider.olpx into OpenCode config
+5. run serve to accept local /v1/responses traffic
+
+olpx writes only its own local config unless a command explicitly says it also
+writes OpenCode config. For exact command behavior, defaults, and side effects,
+prefer command-local --help over README summaries.`,
+		Example: `  olpx provider add --id su8 --base-url https://cn2.su8.codes/v1 --api-key sk-example
+  olpx alias add --name gpt-5.4 --display-name "GPT 5.4"
+  olpx alias bind --alias gpt-5.4 --provider su8 --model gpt-5.4
+  olpx doctor
+  olpx opencode sync
+  olpx serve
+
+  olpx provider import-opencode
+  olpx provider list
+  olpx opencode sync --dry-run`,
 		SilenceUsage:  true,
 		SilenceErrors: false,
 		Version:       version,
 	}
-	root.PersistentFlags().StringVar(&configPath, "config", "", "path to olpx config.json (default: $XDG_CONFIG_HOME/olpx/config.json)")
+	root.PersistentFlags().StringVar(&configPath, "config", "", "path to olpx config.json (default: $OLPX_CONFIG, else $XDG_CONFIG_HOME/olpx/config.json, else ~/.config/olpx/config.json)")
 
 	root.AddCommand(newServeCmd())
 	root.AddCommand(newDoctorCmd())

internal/cli/serve.go

@@ -13,6 +13,17 @@ func newServeCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "serve",
 		Short: "Run the local olpx proxy (alias -> failover upstream)",
+		Long: `serve starts the long-running local olpx proxy using the current local config.
+
+It reads local alias/provider configuration, validates that config, and then
+accepts OpenAI Responses traffic at the configured local base URL. With default
+settings the proxy listens on http://127.0.0.1:9982/v1 and expects the local API
+key olpx-local.
+
+serve does not rewrite config files. Run doctor and opencode sync first so
+OpenCode can see the same aliases that the proxy can route.`,
+		Example: `  olpx serve
+  olpx --config /path/to/config.json serve`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			cfg, err := loadCfg()
 			if err != nil {