fix(EX-0000): restore OpenAI parser

Use the OpenAI Responses API with the gpt-5-nano default model.

Restore APP_OPENAI_MODEL for runtime and dev environment config.

.env.example

@@ -9,4 +9,4 @@ APP_ADMIN_SECRET=
 APP_API_KEY=
 APP_SECRET_KEY=
 APP_SESSION_SECRET=
-APP_DEEPSEEK_MODEL=deepseek-v4-pro
+APP_OPENAI_MODEL=gpt-5-nano

docker-compose.dev.yml

@@ -15,7 +15,7 @@ services:
       APP_LOG_LEVEL: debug
       APP_PORT: 8000
       APP_ORIGINS: http://localhost:8000
-      APP_DEEPSEEK_MODEL: deepseek-v4-pro
+      APP_OPENAI_MODEL: gpt-5-nano
       APP_DATABASE_URL: postgres://rentease:rentease@db:5432/rentease?sslmode=disable
       APP_ADMIN: admin@example.com
       APP_ADMIN_SECRET: supersecret

go.mod

@@ -3,14 +3,14 @@ module github.com/rjNemo/rentease
 go 1.26
 
 require (
-	github.com/a-h/templ v0.3.1001
+	github.com/a-h/templ v0.3.1020
 	github.com/getsentry/sentry-go v0.46.2
-	github.com/go-chi/chi/v5 v5.2.5
+	github.com/go-chi/chi/v5 v5.3.0
 	github.com/go-chi/cors v1.2.2
 	github.com/gorilla/sessions v1.4.0
 	github.com/joho/godotenv v1.5.1
 	github.com/jung-kurt/gofpdf/v2 v2.17.3
-	github.com/minio/minio-go/v7 v7.1.0
+	github.com/minio/minio-go/v7 v7.2.0
 	github.com/nicksnyder/go-i18n/v2 v2.6.1
 	github.com/rjNemo/underscore v0.10.0
 	github.com/stripe/stripe-go/v83 v83.2.1
@@ -21,8 +21,6 @@ require (
 require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/go-ini/ini v1.67.0 // indirect
-	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/klauspost/compress v1.18.6 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
@@ -39,21 +37,22 @@ require (
 	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/zeebo/xxh3 v1.1.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.51.0 // indirect
+	golang.org/x/crypto v0.52.0 // indirect
-	golang.org/x/net v0.54.0 // indirect
+	golang.org/x/net v0.55.0 // indirect
+	gopkg.in/ini.v1 v1.67.2 // indirect
 )
 
 require (
 	github.com/gorilla/securecookie v1.1.2 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.9.2 // indirect
+	github.com/jackc/pgx/v5 v5.10.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/openai/openai-go v1.12.0
 	github.com/sethvargo/go-envconfig v1.3.0
 	golang.org/x/sync v0.20.0 // indirect
-	golang.org/x/sys v0.44.0 // indirect
+	golang.org/x/sys v0.45.0 // indirect
 	golang.org/x/text v0.37.0
 )

go.sum

@@ -1,7 +1,7 @@
 github.com/BurntSushi/toml v1.6.0 h1:dRaEfpa2VI55EwlIW72hMRHdWouJeRF7TPYhI+AUQjk=
 github.com/BurntSushi/toml v1.6.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
-github.com/a-h/templ v0.3.1001 h1:yHDTgexACdJttyiyamcTHXr2QkIeVF1MukLy44EAhMY=
+github.com/a-h/templ v0.3.1020 h1:ypAT/L5ySWEnZ6Zft/5yfoWXYYkhFNvEFOeeqecg4tw=
-github.com/a-h/templ v0.3.1001/go.mod h1:oCZcnKRf5jjsGpf2yELzQfodLphd2mwecwG4Crk5HBo=
+github.com/a-h/templ v0.3.1020/go.mod h1:A2DlK61v+K+NRoGnhmYbNYVmtYHcFO5/AisMvBdDxTM=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@@ -12,14 +12,12 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/getsentry/sentry-go v0.46.2 h1:1jhYwrKGa3sIpo/y5iDNXS5wDoT7I1KNzMHrnK6ojns=
 github.com/getsentry/sentry-go v0.46.2/go.mod h1:evVbw2qotNUdYG8KxXbAdjOQWWvWIwKxpjdZZIvcIPw=
-github.com/go-chi/chi/v5 v5.2.5 h1:Eg4myHZBjyvJmAFjFvWgrqDTXFyOzjj7YIm3L3mu6Ug=
+github.com/go-chi/chi/v5 v5.3.0 h1:halUjDxhshgXHMrao5bB8eNBXo/rnzwr8m5m36glehM=
-github.com/go-chi/chi/v5 v5.2.5/go.mod h1:X7Gx4mteadT3eDOMTsXzmI4/rwUpOwBHLpAfupzFJP0=
+github.com/go-chi/chi/v5 v5.3.0/go.mod h1:R+tYY2hNuVUUjxoPtqUdgBqevM9s9njzkTLutVsOCto=
 github.com/go-chi/cors v1.2.2 h1:Jmey33TE+b+rB7fT8MUy1u0I4L+NARQlK6LhzKPSyQE=
 github.com/go-chi/cors v1.2.2/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
 github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
 github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og=
-github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
-github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
@@ -34,8 +32,8 @@ github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsI
 github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.9.2 h1:3ZhOzMWnR4yJ+RW1XImIPsD1aNSz4T4fyP7zlQb56hw=
+github.com/jackc/pgx/v5 v5.10.0 h1:VhSvgU2jSli8o3AqIEOTJr7rZwAEUVo4E4XhR94Zfr0=
-github.com/jackc/pgx/v5 v5.9.2/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
+github.com/jackc/pgx/v5 v5.10.0/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
 github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
@@ -61,8 +59,8 @@ github.com/minio/crc64nvme v1.1.1 h1:8dwx/Pz49suywbO+auHCBpCtlW1OfpcLN7wYgVR6wAI
 github.com/minio/crc64nvme v1.1.1/go.mod h1:eVfm2fAzLlxMdUGc0EEBGSMmPwmXD5XiNRpnu9J3bvg=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
 github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
-github.com/minio/minio-go/v7 v7.1.0 h1:QEt5IStDpxgGjEdtOgpiZ5QhmSl3ax7qy61vi2SwHO8=
+github.com/minio/minio-go/v7 v7.2.0 h1:RCJM0R1XOsRs+A3x3UCaf3ZYbByDaLjFeAi+YCQEPhs=
-github.com/minio/minio-go/v7 v7.1.0/go.mod h1:Dm7WS1AgLmBa0NcQD6SeJnJf+K/EUW3GR7Ks6olB3OA=
+github.com/minio/minio-go/v7 v7.2.0/go.mod h1:EU9hENAStx/xXduNdrGO5e4X5vk19NtgB+RIPjZO8o0=
 github.com/nicksnyder/go-i18n/v2 v2.6.1 h1:JDEJraFsQE17Dut9HFDHzCoAWGEQJom5s0TRd17NIEQ=
 github.com/nicksnyder/go-i18n/v2 v2.6.1/go.mod h1:Vee0/9RD3Quc/NmwEjzzD7VTZ+Ir7QbXocrkhOzmUKA=
 github.com/openai/openai-go v1.12.0 h1:NBQCnXzqOTv5wsgNC36PrFEiskGfO5wccfCWDo9S1U0=
@@ -77,15 +75,21 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rjNemo/underscore v0.10.0 h1:f0WTiHXujG9mgbEt51VH06TqLMS5n4EUKtp5wzhBqQM=
 github.com/rjNemo/underscore v0.10.0/go.mod h1:g2nURJw5INpBuh8ie0AjK1KLnsHSA+Tzc+oXiooq7ms=
-github.com/rogpeppe/go-internal v1.8.0 h1:FCbCCtXNOY3UtUuHUYaghJg4y7Fd14rXifAYUAtL9R8=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
-github.com/rogpeppe/go-internal v1.8.0/go.mod h1:WmiCO8CzOY8rg0OYDC4/i/2WRWAB6poM+XZ2dLUbcbE=
+github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/sethvargo/go-envconfig v1.3.0 h1:gJs+Fuv8+f05omTpwWIu6KmuseFAXKrIaOZSh8RMt0U=
 github.com/sethvargo/go-envconfig v1.3.0/go.mod h1:JLd0KFWQYzyENqnEPWWZ49i4vzZo/6nRidxI8YvGiHw=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/stripe/stripe-go/v83 v83.2.1 h1:8WPhpMjr8VyMWKUsCMoVvlWxYazuL5edajKX/RulfbA=
@@ -111,19 +115,21 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
-golang.org/x/crypto v0.51.0 h1:IBPXwPfKxY7cWQZ38ZCIRPI50YLeevDLlLnyC5wRGTI=
+golang.org/x/crypto v0.52.0 h1:RMs7fP2rXdep0CftQlK8Uf+kibLm7qkCcradZWYz988=
-golang.org/x/crypto v0.51.0/go.mod h1:8AdwkbraGNABw2kOX6YFPs3WM22XqI4EXEd8g+x7Oc8=
+golang.org/x/crypto v0.52.0/go.mod h1:1QgfPxDqh0T2M/elOJtp9RvuR95kVjir0e6/BvEmGbc=
-golang.org/x/net v0.54.0 h1:2zJIZAxAHV/OHCDTCOHAYehQzLfSXuf/5SoL/Dv6w/w=
+golang.org/x/net v0.55.0 h1:bcvxaJn3e1U6InsFWt1JUq1aSjnRxLzT2rtD2KfkDF8=
-golang.org/x/net v0.54.0/go.mod h1:Sj4oj8jK6XmHpBZU/zWHw3BV3abl4Kvi+Ut7cQcY+cQ=
+golang.org/x/net v0.55.0/go.mod h1:L5U2KuzuOe1lY7Z+aWVIKK6qEeJXnXV9yzGA+WCHJww=
 golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
 golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
-golang.org/x/sys v0.44.0 h1:ildZl3J4uzeKP07r2F++Op7E9B29JRUy+a27EibtBTQ=
+golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY=
-golang.org/x/sys v0.44.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.37.0 h1:Cqjiwd9eSg8e0QAkyCaQTNHFIIzWtidPahFWR83rTrc=
 golang.org/x/text v0.37.0/go.mod h1:a5sjxXGs9hsn/AJVwuElvCAo9v8QYLzvavO5z2PiM38=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/ini.v1 v1.67.2 h1:JtOSMb9OuaCZKr7h5D/h6iii14sK0hLbplTc6frx4Ss=
+gopkg.in/ini.v1 v1.67.2/go.mod h1:x/cyOwCgZqOkJoDIJ3c1KNHMo10+nLGAhh+kn3Zizss=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/config/config.go

@@ -26,8 +26,8 @@ type Config struct {
 	Port int `env:"PORT, default=4200"`
 	// SentryDsn is the DSN for Sentry error reporting
 	SentryDsn string `env:"SENTRY_DSN"`
-	// DeepSeekModel is the DeepSeek model used by the booking parser
+	// OpenAIModel is the OpenAI model used by the booking parser
-	DeepSeekModel string `env:"DEEPSEEK_MODEL, default=deepseek-v4-pro"`
+	OpenAIModel string `env:"OPENAI_MODEL, default=gpt-5-nano"`
 	// Auth
 	// Admin is the email used to access the admin panel
 	Admin string `env:"ADMIN, required"`

internal/driver/parser/client.go

@@ -5,12 +5,10 @@ import (
 	"encoding/json"
 	"fmt"
 	"log"
-	"os"
 	"time"
 
 	"github.com/openai/openai-go"
-	"github.com/openai/openai-go/option"
+	"github.com/openai/openai-go/responses"
-	"github.com/openai/openai-go/shared"
 
 	"github.com/rjNemo/rentease/internal/service/booking"
 )
@@ -23,11 +21,8 @@ type BookingAgentParser struct {
 
 func NewBookingAgentParser(model string) *BookingAgentParser {
 	return &BookingAgentParser{
-		llmClient: openai.NewClient(
+		llmClient: openai.NewClient(),
-			option.WithBaseURL("https://api.deepseek.com"),
+		model:     model,
-			option.WithAPIKey(os.Getenv("DEEPSEEK_API_KEY")),
-		),
-		model: model,
 		systemPrompt: `		Extract the following fields from the booking content and return a JSON object with this exact structure (all fields required, use null or empty string if not available):
 		
 		{
@@ -70,31 +65,28 @@ type ResponseData struct {
 }
 
 func (p *BookingAgentParser) Parse(rawContent string) (*booking.Booking, error) {
-	log.Println("sending request to DeepSeek LLM parser")
+	log.Println("sending request to OpenAI LLM parser")
 
 	ctx := context.Background()
 
-	resp, err := p.llmClient.Chat.Completions.New(ctx, openai.ChatCompletionNewParams{
+	prompt := p.systemPrompt + "\n" + rawContent
+
+	resp, err := p.llmClient.Responses.New(ctx, responses.ResponseNewParams{
+		Input: responses.ResponseNewParamsInputUnion{OfString: openai.String(prompt)},
 		Model: p.model,
-		Messages: []openai.ChatCompletionMessageParamUnion{
-			openai.SystemMessage(p.systemPrompt),
-			openai.UserMessage(rawContent),
-		},
-		ResponseFormat: openai.ChatCompletionNewParamsResponseFormatUnion{
-			OfJSONObject: &shared.ResponseFormatJSONObjectParam{},
-		},
 	})
 	if err != nil {
-		return nil, fmt.Errorf("error sending request to DeepSeek: %w", err)
+		return nil, fmt.Errorf("error sending request to OpenAI: %w", err)
 	}
 
 	var r struct {
 		Data ResponseData `json:"data"`
 	}
 
-	err = json.Unmarshal([]byte(resp.Choices[0].Message.Content), &r)
+	// The LLM is instructed to return the JSON for ResponseData directly, so parse it
+	err = json.Unmarshal([]byte(resp.OutputText()), &r)
 	if err != nil {
-		return nil, fmt.Errorf("error decoding response from DeepSeek: %w", err)
+		return nil, fmt.Errorf("error decoding response from OpenAI: %w", err)
 	}
 
 	var b booking.Booking

internal/driver/parser/parser_test.go

@@ -47,7 +47,7 @@ func TestBookingAgentParser_Parse(t *testing.T) {
       Les conversations avec vos clients apparaîtront ici.
        Booking.com reçoit tous les messages écrits ici et les traite selon sa Charte de confidentialité et informations sur les cookies    Conditions   `
 
-	parser := NewBookingAgentParser("deepseek-v4-pro")
+	parser := NewBookingAgentParser("gpt-5-nano")
 	booking, err := parser.Parse(input)
 	if err != nil {
 		t.Fatalf("Parse failed: %v", err)

main.go

@@ -77,7 +77,7 @@ func run(ctx context.Context, appConfig *config.Config, appLogger *slog.Logger)
 		return fmt.Errorf("error starting invoice storage %w", err)
 	}
 
-	parsingClient := parser.NewBookingAgentParser(appConfig.DeepSeekModel)
+	parsingClient := parser.NewBookingAgentParser(appConfig.OpenAIModel)
 
 	var stripeClient payment.StripeClient
 	if appConfig.StripeSecretKey != "" {