Rename app from chat to neoirc, binary to neoircd (closes #46) (#47)

Complete rename of the application from `chat` to `neoirc` with binary name `neoircd`.

closes #46

## Changes

- **Go module path**: `git.eeqj.de/sneak/chat` → `git.eeqj.de/sneak/neoirc`
- **Server binary**: `chatd` → `neoircd`
- **CLI binary**: `chat-cli` → `neoirc-cli`
- **Cmd directories**: `cmd/chatd` → `cmd/neoircd`, `cmd/chat-cli` → `cmd/neoirc-cli`
- **Go package**: `chatapi` → `neoircapi`
- **Makefile**: binary name, build targets, docker image tag, clean target
- **Dockerfile**: binary paths, user/group names (`chat` → `neoirc`), ENTRYPOINT
- **`.gitignore`/`.dockerignore`**: artifact names
- **All Go imports and doc comments**
- **Default server name**: `chat` → `neoirc`
- **Web client**: localStorage keys (`chat_token`/`chat_channels` → `neoirc_token`/`neoirc_channels`), page title, default server display name
- **Schema files**: all `$id` URLs and example hostnames
- **README.md**: project name, all binary references, examples, directory tree
- **AGENTS.md**: build command reference
- **Test fixtures**: app name and channel names

Docker build passes. All tests pass.

<!-- session: agent:sdlc-manager:subagent:a4b8dbd3-a7c8-4fad-8239-bb5a64a9b3d6 -->

Co-authored-by: clawbot <clawbot@noreply.eeqj.de>
Reviewed-on: #47
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>

internal/handlers/api_test.go

@@ -17,14 +17,14 @@ import (
 	"testing"
 	"time"
 
-	"git.eeqj.de/sneak/chat/internal/config"
-	"git.eeqj.de/sneak/chat/internal/db"
-	"git.eeqj.de/sneak/chat/internal/globals"
-	"git.eeqj.de/sneak/chat/internal/handlers"
-	"git.eeqj.de/sneak/chat/internal/healthcheck"
-	"git.eeqj.de/sneak/chat/internal/logger"
-	"git.eeqj.de/sneak/chat/internal/middleware"
-	"git.eeqj.de/sneak/chat/internal/server"
+	"git.eeqj.de/sneak/neoirc/internal/config"
+	"git.eeqj.de/sneak/neoirc/internal/db"
+	"git.eeqj.de/sneak/neoirc/internal/globals"
+	"git.eeqj.de/sneak/neoirc/internal/handlers"
+	"git.eeqj.de/sneak/neoirc/internal/healthcheck"
+	"git.eeqj.de/sneak/neoirc/internal/logger"
+	"git.eeqj.de/sneak/neoirc/internal/middleware"
+	"git.eeqj.de/sneak/neoirc/internal/server"
 	"go.uber.org/fx"
 	"go.uber.org/fx/fxtest"
 )
@@ -115,7 +115,7 @@ func newTestServer(
 
 func newTestGlobals() *globals.Globals {
 	return &globals.Globals{
-		Appname: "chat-test",
+		Appname: "neoirc-test",
 		Version: "test",
 	}
 }
@@ -682,10 +682,10 @@ func TestChannelMessage(t *testing.T) {
 	bobToken := tserver.createSession("bob_msg")
 
 	tserver.sendCommand(aliceToken, map[string]any{
-		commandKey: joinCmd, toKey: "#chat",
+		commandKey: joinCmd, toKey: "#test",
 	})
 	tserver.sendCommand(bobToken, map[string]any{
-		commandKey: joinCmd, toKey: "#chat",
+		commandKey: joinCmd, toKey: "#test",
 	})
 
 	_, _ = tserver.pollMessages(aliceToken, 0)
@@ -695,7 +695,7 @@ func TestChannelMessage(t *testing.T) {
 		aliceToken,
 		map[string]any{
 			commandKey: privmsgCmd,
-			toKey:      "#chat",
+			toKey:      "#test",
 			bodyKey:    []string{"hello world"},
 		},
 	)
@@ -725,11 +725,11 @@ func TestMessageMissingBody(t *testing.T) {
 	token := tserver.createSession("nobody")
 
 	tserver.sendCommand(token, map[string]any{
-		commandKey: joinCmd, toKey: "#chat",
+		commandKey: joinCmd, toKey: "#test",
 	})
 
 	status, _ := tserver.sendCommand(token, map[string]any{
-		commandKey: privmsgCmd, toKey: "#chat",
+		commandKey: privmsgCmd, toKey: "#test",
 	})
 	if status != http.StatusBadRequest {
 		t.Fatalf("expected 400, got %d", status)