Rewrite Strix from scratch as single binary

Complete architecture rewrite following go2rtc patterns:
- pkg/ for pure logic (camdb, tester, probe, generate)
- internal/ for application glue with Init() modules
- Single HTTP server on :4567 with all endpoints
- zerolog with password masking and memory ring buffer
- Environment-based config only (no YAML files)

API endpoints: /api/search, /api/streams, /api/test,
/api/probe, /api/generate, /api/health, /api/log

Dependencies: go2rtc v1.9.14, go-sqlite3, miekg/dns, zerolog

Dockerfile

@@ -1,69 +0,0 @@
-# Strix - Smart IP Camera Stream Discovery System
-# Multi-stage Dockerfile for minimal image size
-
-# Stage 1: Builder
-FROM golang:1.24-alpine AS builder
-
-ARG VERSION=dev
-
-WORKDIR /build
-
-# Install build dependencies
-RUN apk add --no-cache git
-
-# Copy go mod files
-COPY go.mod go.sum ./
-RUN go mod download
-
-# Copy source code
-COPY . .
-
-# Build static binary
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build \
-    -ldflags="-s -w -X main.Version=${VERSION}" \
-    -o strix \
-    cmd/strix/main.go
-
-# Stage 2: Runtime
-FROM alpine:latest
-
-# Install runtime dependencies
-# - ffmpeg/ffprobe: Required for RTSP stream validation
-# - ca-certificates: Required for HTTPS requests to cameras
-# - tzdata: Required for correct timestamps
-# - wget: Required for healthcheck
-RUN apk add --no-cache \
-    ffmpeg \
-    ca-certificates \
-    tzdata \
-    wget \
-    && rm -rf /var/cache/apk/*
-
-WORKDIR /app
-
-# Copy binary from builder
-COPY --from=builder /build/strix .
-
-# Copy camera database (CRITICAL - app won't work without it)
-COPY --from=builder /build/data ./data
-
-# Create directory for optional config
-RUN mkdir -p /app/config
-
-# Create non-root user for security
-RUN addgroup -g 1000 strix && \
-    adduser -D -u 1000 -G strix strix && \
-    chown -R strix:strix /app
-
-# Switch to non-root user
-USER strix
-
-# Expose default port
-EXPOSE 4567
-
-# Health check
-HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
-    CMD wget --no-verbose --tries=1 --spider http://localhost:4567/api/v1/health || exit 1
-
-# Start application
-CMD ["./strix"]