Initial commit: waste-go skeleton

Ed25519/X25519/ChaCha20-Poly1305 crypto, peer handshake, mesh state,
IPC server, relay server, and NAT stub. Builds clean on Go 1.22+.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+    "recommendations": [
+        "golang.go",
+        "usernamehw.errorlens",
+        "streetsidesoftware.code-spell-checker"
+    ]
+}

.vscode/launch.json

@@ -0,0 +1,55 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "daemon (peer A)",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/cmd/daemon",
+            "args": [
+                "-alias", "peer-a",
+                "-data-dir", "/tmp/waste-a",
+                "-peer-port", "17338",
+                "-ipc-port", "17337"
+            ],
+            "env": { "WASTE_LOG": "debug" }
+        },
+        {
+            "name": "daemon (peer B)",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/cmd/daemon",
+            "args": [
+                "-alias", "peer-b",
+                "-data-dir", "/tmp/waste-b",
+                "-peer-port", "17340",
+                "-ipc-port", "17341"
+            ],
+            "env": { "WASTE_LOG": "debug" }
+        },
+        {
+            "name": "relay (local)",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/cmd/relay",
+            "args": ["-bind", "127.0.0.1:17339"]
+        },
+        {
+            "name": "daemon (with relay)",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceFolder}/cmd/daemon",
+            "args": [
+                "-alias", "peer-a",
+                "-data-dir", "/tmp/waste-a",
+                "-peer-port", "17338",
+                "-ipc-port", "17337",
+                "-relay", "127.0.0.1:17339"
+            ]
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,21 @@
+{
+    "go.useLanguageServer": true,
+    "go.lintTool": "golangci-lint",
+    "go.lintOnSave": "package",
+    "go.formatTool": "goimports",
+    "go.formatOnSave": true,
+    "editor.formatOnSave": true,
+    "[go]": {
+        "editor.defaultFormatter": "golang.go",
+        "editor.codeActionsOnSave": {
+            "source.organizeImports": "explicit"
+        }
+    },
+    "go.testFlags": ["-v", "-race"],
+    "files.watcherExclude": {
+        "**/bin/**": true
+    },
+    "search.exclude": {
+        "**/bin": true
+    }
+}

.vscode/tasks.json

@@ -0,0 +1,46 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build all",
+            "type": "shell",
+            "command": "go build ./...",
+            "group": { "kind": "build", "isDefault": true },
+            "problemMatcher": ["$go"]
+        },
+        {
+            "label": "go mod tidy",
+            "type": "shell",
+            "command": "go mod tidy",
+            "problemMatcher": []
+        },
+        {
+            "label": "test all",
+            "type": "shell",
+            "command": "go test -race ./...",
+            "group": "test",
+            "problemMatcher": ["$go"]
+        },
+        {
+            "label": "run relay (local)",
+            "type": "shell",
+            "command": "go run ./cmd/relay -bind 127.0.0.1:17339",
+            "presentation": { "reveal": "always", "panel": "dedicated", "group": "runtime" },
+            "problemMatcher": []
+        },
+        {
+            "label": "run daemon (peer A)",
+            "type": "shell",
+            "command": "go run ./cmd/daemon -alias peer-a -data-dir /tmp/waste-a -peer-port 17338 -ipc-port 17337",
+            "presentation": { "reveal": "always", "panel": "dedicated", "group": "runtime" },
+            "problemMatcher": []
+        },
+        {
+            "label": "run daemon (peer B)",
+            "type": "shell",
+            "command": "go run ./cmd/daemon -alias peer-b -data-dir /tmp/waste-b -peer-port 17340 -ipc-port 17341",
+            "presentation": { "reveal": "always", "panel": "dedicated", "group": "runtime" },
+            "problemMatcher": []
+        }
+    ]
+}