diff --git a/CLAUDE.md b/CLAUDE.md
index 4015262..12aa8fa 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -21,15 +21,16 @@ Most implementation code (ansible engine, build system, infra clients, release p
 
 ### Package Layout
 
-- **`cmd/dev/`** — Multi-repo developer commands registered under `core dev`. The main CLI surface (~4,400 LOC across 21 files).
+- **`cmd/dev/`** — Multi-repo developer commands registered under `core dev`. The main CLI surface (~4,700 LOC across 21 files).
 - **`cmd/deploy/`** — `core deploy servers` — Coolify PaaS server/app listing.
 - **`cmd/docs/`** — `core docs sync` — Documentation sync across the multi-repo workspace.
 - **`cmd/setup/`** — `core setup repo` — Generate `.core` configuration for a project.
-- **`cmd/gitcmd/`** — Git helper commands.
+- **`cmd/gitcmd/`** — Git helper commands (mirrors dev commands under `core git`).
 - **`cmd/vanity-import/`** — Vanity import path server (the default build target in `.core/build.yaml`).
-- **`cmd/community/`** — Community-related commands.
+- **`cmd/community/`** — Community landing page assets.
 - **`deploy/coolify/`** — Coolify PaaS API HTTP client.
 - **`deploy/python/`** — Embedded Python 3.13 runtime wrapper (adds ~50 MB to binary).
+- **`locales/`** — Embedded i18n translation files (en.json).
 - **`snapshot/`** — `core.json` release manifest generation.
 - **`playbooks/`** — Ansible YAML playbooks for production infrastructure (Galera, Redis). Executed by the native Go Ansible engine, not `ansible-playbook`.
 
@@ -81,7 +82,7 @@ Configuration lives in `.core/build.yaml` (targets, ldflags) and `.core/release.
 - **Co-Author**: `Co-Authored-By: Virgil <virgil@lethean.io>`
 - **Licence**: EUPL-1.2
 - **Imports**: stdlib → forge.lthn.ai → third-party, each group separated by blank line
-- **Errors**: `core.E()` for contextual errors, or `fmt.Errorf("%w", err)` for wrapping
+- **Errors**: `log.E(op, msg, err)` from `go-log` for all contextual errors (never `fmt.Errorf` or `errors.New`)
 
 ## Forge
 
diff --git a/cmd/deploy/cmd_commands.go b/cmd/deploy/cmd_commands.go
index f4fb5d6..b69e09f 100644
--- a/cmd/deploy/cmd_commands.go
+++ b/cmd/deploy/cmd_commands.go
@@ -2,11 +2,12 @@ package deploy
 
 import (
 	"forge.lthn.ai/core/cli/pkg/cli"
-	"forge.lthn.ai/core/go-devops/locales"
+
+	_ "forge.lthn.ai/core/go-devops/locales"
 )
 
 func init() {
-	cli.RegisterCommands(AddDeployCommands, locales.FS)
+	cli.RegisterCommands(AddDeployCommands)
 }
 
 // AddDeployCommands registers the 'deploy' command and all subcommands.
diff --git a/cmd/dev/cmd_dev.go b/cmd/dev/cmd_dev.go
index f063c68..1b81112 100644
--- a/cmd/dev/cmd_dev.go
+++ b/cmd/dev/cmd_dev.go
@@ -34,12 +34,13 @@ package dev
 
 import (
 	"forge.lthn.ai/core/cli/pkg/cli"
-	"forge.lthn.ai/core/go-devops/locales"
 	"forge.lthn.ai/core/go-i18n"
+
+	_ "forge.lthn.ai/core/go-devops/locales"
 )
 
 func init() {
-	cli.RegisterCommands(AddDevCommands, locales.FS)
+	cli.RegisterCommands(AddDevCommands)
 }
 
 // Style aliases from shared package
diff --git a/cmd/docs/cmd_commands.go b/cmd/docs/cmd_commands.go
index 31d469e..9484884 100644
--- a/cmd/docs/cmd_commands.go
+++ b/cmd/docs/cmd_commands.go
@@ -10,11 +10,12 @@ package docs
 
 import (
 	"forge.lthn.ai/core/cli/pkg/cli"
-	"forge.lthn.ai/core/go-devops/locales"
+
+	_ "forge.lthn.ai/core/go-devops/locales"
 )
 
 func init() {
-	cli.RegisterCommands(AddDocsCommands, locales.FS)
+	cli.RegisterCommands(AddDocsCommands)
 }
 
 // AddDocsCommands registers the 'docs' command and all subcommands.
diff --git a/cmd/setup/cmd_commands.go b/cmd/setup/cmd_commands.go
index 3c095c8..0747dc5 100644
--- a/cmd/setup/cmd_commands.go
+++ b/cmd/setup/cmd_commands.go
@@ -25,12 +25,13 @@ package setup
 
 import (
 	"forge.lthn.ai/core/cli/pkg/cli"
-	"forge.lthn.ai/core/go-devops/locales"
 	"forge.lthn.ai/core/go-i18n"
+
+	_ "forge.lthn.ai/core/go-devops/locales"
 )
 
 func init() {
-	cli.RegisterCommands(AddSetupCommands, locales.FS)
+	cli.RegisterCommands(AddSetupCommands)
 }
 
 // AddSetupCommands registers the 'setup' command and all subcommands.
diff --git a/deploy/coolify/client.go b/deploy/coolify/client.go
index 5ae236a..687aeac 100644
--- a/deploy/coolify/client.go
+++ b/deploy/coolify/client.go
@@ -3,7 +3,6 @@ package coolify
 import (
 	"context"
 	"encoding/json"
-	"fmt"
 	"os"
 	"sync"
 
@@ -78,7 +77,7 @@ func (c *Client) Call(ctx context.Context, operationID string, params map[string
 	}
 	output, err := python.RunScript(ctx, script)
 	if err != nil {
-		return nil, log.E("coolify", fmt.Sprintf("API call %s failed", operationID), err)
+		return nil, log.E("coolify", "API call "+operationID+" failed", err)
 	}
 
 	// Parse JSON result
@@ -89,7 +88,7 @@ func (c *Client) Call(ctx context.Context, operationID string, params map[string
 		if err2 := json.Unmarshal([]byte(output), &arrResult); err2 == nil {
 			return map[string]any{"result": arrResult}, nil
 		}
-		return nil, log.E("coolify", fmt.Sprintf("failed to parse response (output: %s)", output), err)
+		return nil, log.E("coolify", "failed to parse response (output: "+output+")", err)
 	}
 
 	return result, nil
diff --git a/deploy/python/python.go b/deploy/python/python.go
index 3f71a75..3d06159 100644
--- a/deploy/python/python.go
+++ b/deploy/python/python.go
@@ -63,9 +63,9 @@ func RunScript(ctx context.Context, code string, args ...string) (string, error)
 	// Run with context
 	output, err := cmd.Output()
 	if err != nil {
-		// Try to get stderr for better error message
+		// Include stderr in the error message for better diagnostics
 		if exitErr, ok := err.(*exec.ExitError); ok {
-			return "", log.E("python", "run script", fmt.Errorf("%w: %s", err, string(exitErr.Stderr)))
+			return "", log.E("python", "run script: "+string(exitErr.Stderr), err)
 		}
 		return "", log.E("python", "run script", err)
 	}
@@ -87,7 +87,7 @@ func RunModule(ctx context.Context, module string, args ...string) (string, erro
 
 	output, err := cmd.Output()
 	if err != nil {
-		return "", log.E("python", fmt.Sprintf("run module %s", module), err)
+		return "", log.E("python", "run module "+module, err)
 	}
 
 	return string(output), nil
diff --git a/locales/embed.go b/locales/embed.go
index 19a6c73..8ff05b0 100644
--- a/locales/embed.go
+++ b/locales/embed.go
@@ -1,7 +1,15 @@
 // Package locales embeds translation files for the go-devops module.
 package locales
 
-import "embed"
+import (
+	"embed"
+
+	"forge.lthn.ai/core/go-i18n"
+)
 
 //go:embed *.json
 var FS embed.FS
+
+func init() {
+	i18n.RegisterLocales(FS, ".")
+}