chore: initialize Go module

.gitignore

@@ -0,0 +1,3 @@
+build/
+dist/
+.claude/

.golangci.yaml

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+version: "2"
+linters:
+  enable:
+    - asciicheck
+    - bidichk
+    - errorlint
+    - forbidigo
+    - gocognit
+    - goconst
+    - gocritic
+    - makezero
+    - misspell
+    - musttag
+    - nestif
+    - nilerr
+    - nilnil
+    - nonamedreturns
+    - protogetter
+    - sloglint
+    - tagalign
+    - unconvert
+    - wastedassign
+  settings:
+    errcheck:
+      disable-default-exclusions: true
+      check-type-assertions: true
+      exclude-functions:
+        - (net/http.ResponseWriter).Write
+        - (*bytes.Buffer).Write
+        - File.Close
+        - (hash.Hash).Write
+        - (*database/sql.Tx).Rollback
+    forbidigo:
+      forbid:
+        - pattern: ^err.*\.Error.*$
+          msg: please use %w to wrap errors
+        - pattern: ^os.LookupEnv$
+          msg: do not use env vars, use command line arguments
+        - pattern: ^os.Getenv$
+          msg: do not use env vars, use command line arguments
+        - pattern: ^log.Fatal$
+          msg: do not use log.Fatal
+        - pattern: ^os.Exit$
+          msg: do not use os.Exit
+        - pattern: ^panic$
+          msg: do not use panic
+        - pattern: ^log\.Print
+          msg: use slog instead of standard log package
+        - pattern: ^log\.Printf
+          msg: use slog instead of standard log package
+        - pattern: ^log\.Println
+          msg: use slog instead of standard log package
+        - pattern: ^http.DefaultClient$
+          msg: do not use http.DefaultClient, use a custom client instead
+        - pattern: ^slog.Default$
+          msg: do not use slog.Default, use a custom logger instead
+        - pattern: ^slog.SetDefault$
+          msg: do not use slog.Default, use a custom logger instead
+      analyze-types: true
+    gocritic:
+      disabled-checks:
+        - paramTypeCombine
+        - unnamedResult
+        - importShadow
+        - octalLiteral
+      enabled-tags:
+        - diagnostic
+        - style
+        - performance
+      settings:
+        hugeParam:
+          sizeThreshold: 512
+        rangeValCopy:
+          sizeThreshold: 512
+          skipTestFuncs: true
+    misspell:
+      ignore-rules:
+        - mosquitto
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - linters:
+          - appendAssign
+          - errcheck
+          - forbidigo
+          - gocognit
+          - goconst
+          - gocritic
+          - nestif
+        path: _test\.go
+      - linters:
+          - forbidigo
+          - gocritic
+        path: cmd/.*/main.go
+        text: os.Exit
+      - linters:
+          - forbidigo
+        path: cmd
+        text: os.Getenv
+      - linters:
+          - forbidigo
+        path: cmd
+        text: slog.Default
+      - linters:
+          - forbidigo
+        path: cmd/.*/main.go
+        text: panic
+    paths:
+      - .*\.pb\.go$
+      - third_party$
+      - builtin$
+      - examples$
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+formatters:
+  enable:
+    - gofmt
+    - goimports
+  exclusions:
+    generated: lax
+    paths:
+      - .*\.pb\.go$
+      - third_party$
+      - builtin$
+      - examples$

LICENSE.md

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+MIT License
+
+Copyright (c) 2026 Oleksandr Berezovskyi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

go.mod

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+module gitea.berezovskyi.dev/oleksandr/ezcoo-usb-control
+
+go 1.26.3
+
+require (
+	github.com/eclipse/paho.mqtt.golang v1.5.1
+	go.bug.st/serial v1.6.4
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/creack/goselect v0.1.2 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	golang.org/x/net v0.44.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
+)

go.sum

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+github.com/creack/goselect v0.1.2 h1:2DNy14+JPjRBgPzAd1thbQp4BSIihxcBf0IXhQXDRa0=
+github.com/creack/goselect v0.1.2/go.mod h1:a/NhLweNvqIYMuxcMOuWY516Cimucms3DglDzQP3hKY=
+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/eclipse/paho.mqtt.golang v1.5.1 h1:/VSOv3oDLlpqR2Epjn1Q7b2bSTplJIeV2ISgCl2W7nE=
+github.com/eclipse/paho.mqtt.golang v1.5.1/go.mod h1:1/yJCneuyOoCOzKSsOTUc0AJfpsItBGWvYpBLimhArU=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+go.bug.st/serial v1.6.4 h1:7FmqNPgVp3pu2Jz5PoPtbZ9jJO5gnEnZIvnI1lzve8A=
+go.bug.st/serial v1.6.4/go.mod h1:nofMJxTeNVny/m6+KaafC6vJGj3miwQZ6vW4BZUGJPI=
+golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
+golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+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 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=